twin

noun
\ ˈtwin How to pronounce twin (audio) \

Definition of twin

 (Entry 1 of 3)

1a : either of two offspring produced in the same pregnancy
b Twins plural : gemini
2 : one of two persons or things closely related to or resembling each other
3 : a compound crystal composed of two adjoining crystals or parts of crystals of the same kind that share a common plane of atoms

twin

adjective

Definition of twin (Entry 2 of 3)

1 : born with one other or as a pair at one birth my twin brother twin girls
2a : made up of two similar, related, or connected members or parts : double
b : paired in a close or necessary relationship : matching
c : having or consisting of two identical units
d : being one of a pair

twin

verb
twinned; twinning

Definition of twin (Entry 3 of 3)

transitive verb

1 : to bring together in close association : couple

intransitive verb

1 : to bring forth twins
2 of a crystal : to grow in a compound form with two adjoining sections that share a common plane of atoms

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Other Words from twin

Noun

twinship \ ˈtwin-​ˌship How to pronounce twin (audio) \ noun

Synonyms & Antonyms for twin

Synonyms: Noun

Synonyms: Adjective

Antonyms: Adjective

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Examples of twin in a Sentence

Noun She's the mother of twins. The twins went swimming after lunch. My sister just had twins. Sarah and her brother are twins. Adjective the twin goals of reducing oil dependence and protecting the environment
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Recent Examples on the Web: Noun As a first step, could a digital twin of the vaccination network be set up and the process chains be mapped? Ratheesh Raveendran, Forbes, "Operational Intelligence Insights The Covid-19 Vaccine Supply Chain Could Benefit From," 6 Apr. 2021 There have been other cases of super twins, including one case where one twin was white and the other was black. Caitlin O'kane, CBS News, "Woman gives birth to "super twins" conceived three weeks apart," 2 Apr. 2021 The e-tron GT has an evil twin, or is the Audi the evil one? Elana Scherr, Car and Driver, "2022 Audi RS e-tron GT Whirs Toward the Future," 15 Mar. 2021 Starting at just $395 for a twin, Casper mattresses are available in six sizes. Kami Phillips, CNN Underscored, "The top 12 mattress-in-a-box brands to shop now," 15 Mar. 2021 The support vessel, meanwhile, comes equipped with all the necessary gear and facilities to service its twin. Rachel Cormack, Robb Report, "This Sleek 230-Foot Ice-Class Explorer Comes With an Equally Stylish Supply Ship," 12 Mar. 2021 The engine is the same 4.4-liter twin-turbo V-8 found in M850i and M8 model. Bryan Hood, Robb Report, "The New 612 HP BMW Alpina B8 Gran Coupé Is as Powerful as It Is Luxurious," 25 Mar. 2021 This bed has five firmness options, ranging from medium-soft to firm, and 20 different sizes, including short queen and RV twin. Jillian Mueller, Better Homes & Gardens, "The 8 Best RV Mattresses to Help You Stay Well-Rested on the Road," 22 Mar. 2021 Then, she and her twin are sent away to an all-girls boarding school for a fresh start. Washington Post, "What to watch this weekend: ‘Lady Gucci’ on Discovery Plus," 20 Mar. 2021 Recent Examples on the Web: Adjective Ahold Delhaize USA, parent company of Stop & Shop, contracted with Americold to build twin frozen warehouses in Plainville and Lancaster, Pennsylvania. Don Stacom, courant.com, "Towering above Plainville: Blue steel framework of 12-story high-tech warehouse for frozen food," 9 Apr. 2021 Belowdecks, there’s a full-beam double cabin—to some owners, this is the preferred master suite—plus two or three twin-berth cabins with the option to turn any of them into a gym, library or office. Howard Walker, Robb Report, "Boat of the Week: This Rule-Breaking 95-Foot Superyacht Is Like a Two-Story Penthouse for the Water," 9 Apr. 2021 By the late 1970s, the West had missions such as Helios around the Sun and Pioneer at Venus; the Soviets had, among others, the twin Venera probes patrolling the inner Solar System after dropping Venus landers. Joshua Sokol, Science | AAAS, "Nature’s most magnetic objects, ripped apart in starquakes, can unleash powerful flashes of light," 8 Apr. 2021 Eloise, the father, even darling Fiona, even Katie and Paul’s twin sons, with their Rod Stewart haircuts and old-man outfits that matched those of Jack’s family. Elizabeth Mccracken, The Atlantic, "The Irish Wedding," 8 Apr. 2021 The twin Pitons, the island's most famous landmark and a World Heritage Site, are on the southwestern coast of St. Lucia. Michelle Stansbury, Marie Claire, "The Instagram Guide to St. Lucia," 8 Apr. 2021 The twin girls, Mazzy and Emi, are the daughters of co-owner Humberto Leon, not his nieces. Julia Wick, Los Angeles Times, "Essential California: Vaccinations begin," 15 Dec. 2020 As the Giants were delving into their summer camp at Oracle Park, Posey and wife Kristen had just adopted twin girls, who were born prematurely and thus had compromised immune systems. Henry Schulman, SFChronicle.com, "Giants’ Gabe Kapler calls Buster Posey ‘surefire lock’ for Opening Day roster," 15 Dec. 2020 Married since 2003 to Sandy Ferrando, a former publicist and once a member of the radio show’s ensemble, the couple has lived in Wilmette since 2013 with twin girls named Ava Grace and Isabella Sofia who are sophomores in high school. Rick Kogan, chicagotribune.com, "Mancow Muller is leaving WLS-AM morning radio. Ready instead for Mancow the mayor?," 17 Nov. 2020 Recent Examples on the Web: Verb If '1917' doesn't twin the top Oscar, 'Once Upon a Time … in Hollywood' will. Michael Phillips, chicagotribune.com, "Highlights from challenging times during pandemic in the film world," 25 Nov. 2020 Freeman led the Warriors to twin 5-5 seasons starting in 2015 until the breakthrough in 2017. Dennis Victory, al, "Thompson, Hoover battle for supremacy of big-time high school football," 22 Oct. 2020 Their outing wouldn’t be the first time Witherspoon and her daughter were twinning. Robyn Merrett, PEOPLE.com, "Reese Witherspoon and Look-Alike Daughter Ava Phillippe Twin in Red Lipstick for Holiday Selfie," 23 Dec. 2019 Kylie and Stormi were just adorably twinning on vacay together. Katherine J Igoe, Marie Claire, "Kylie Jenner's Daughter Stormi Is Adorably Trying on Makeup Already," 13 Dec. 2019 Latrice Knighton, a Wauwatosa mom to twin toddlers, has gone online to order bubble bath, a face mask, foot stone, nail files and a new shade of fingernail polish. Amy Schwabe, Milwaukee Journal Sentinel, "A slower-paced, stay-at-home Mother's Day gives moms a rare opportunity to think about what they really want," 29 Apr. 2020 Queen Elizabeth recently toured the Back to Nature Garden that Kate Middleton helped create, and the two royals bonded and twinned in floral dresses. Nicole Saunders, Harper's BAZAAR, "Royal Baby Archie Already Has a Flower Named After Him," 30 May 2019 But listen for its energy and optimism, and the luster of Mitchell and Eagan’s twining voices. Alexis Soloski, New York Times, "A Cast Album I Love: ‘The Secret Garden’," 27 Apr. 2020 The study found that three groups of fibers were separated and twisted clockwise like an S and once twisted, the strands were twined counterclockwise to form a cord. Katie Hunt, CNN, "World's oldest string of yarn shows Neanderthals were smarter than we thought," 9 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'twin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of twin

Noun

14th century, in the meaning defined at sense 1a

Adjective

1593, in the meaning defined at sense 1

Verb

14th century, in the meaning defined at transitive sense 1

History and Etymology for twin

Noun

Middle English, from twin twofold

Adjective

Middle English, twofold, double, from Old English twinn; akin to Old Norse tvinnr two by two, Old English twā two

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Time Traveler for twin

Time Traveler

The first known use of twin was in the 14th century

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Statistics for twin

Last Updated

12 Apr 2021

Cite this Entry

“Twin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/twin. Accessed 14 Apr. 2021.

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More Definitions for twin

twin

noun

English Language Learners Definition of twin

 (Entry 1 of 3)

: either one of two babies that are born at the same time to the same mother
: either one of two similar things that form a pair

twin

adjective

English Language Learners Definition of twin (Entry 2 of 3)

used to describe children who are twins
: made up of two similar things that are used together
: forming one of a pair of related or connected ideas or places

twin

verb

English Language Learners Definition of twin (Entry 3 of 3)

: to bring (two things) together in close association
British : to form a relationship between (two towns in two countries)

twin

noun
\ ˈtwin How to pronounce twin (audio) \

Kids Definition of twin

 (Entry 1 of 2)

1 : either of two offspring produced at one birth
2 : one of two persons or things closely related to or very like each other On the opposite side of the river is the city's twin.

twin

adjective

Kids Definition of twin (Entry 2 of 2)

1 : born with one other or as a pair at one birth my twin brother
2 : made up of two similar, related, or connected members or parts a twin-engine airplane
3 : being one of a pair Her face was a pasty white with twin spots of rouge on the cheeks.— Gail Carson Levine, Ella Enchanted

twin

adjective
\ ˈtwin How to pronounce twin (audio) \

Medical Definition of twin

 (Entry 1 of 2)

: born with one other or as a pair at one birth a twin brother twin girls

twin

noun

Medical Definition of twin (Entry 2 of 2)

1 : either of two offspring produced at a birth
2 twins plural : a group of two offspring born at one birth

Other Words from twin

twinship \ -​ˌship How to pronounce twin (audio) \ noun

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Comments on twin

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