twin

1 of 3

noun

1
a
: 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
twinship noun

twin

2 of 3

adjective

1
: born with one other or as a pair at one birth
my twin brother
twin girls
2
a
: 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

3 of 3

verb

twinned; twinning

transitive verb

1
: to bring together in close association : couple
2

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

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
Recent Examples on the Web
Noun
Meanwhile, Lopez shares twins Max and Emme, 16, with ex-husband Marc Anthony. Jen Juneau, Peoplemag, 11 July 2024 Studies involving digital twins first began popping up in PubMed in 2017. Tina Reed, Axios, 11 July 2024
Adjective
Hemsworth and Pataky share daughter India Rose, 12, and twin boys Sasha and Tristan, 10. Bailey Richards, Peoplemag, 12 July 2024 The couple went on to adopt twin boys, who will be 10 next month, in 2014. Jo Yurcaba, NBC News, 10 July 2024
Verb
Tom and Dickie are now a composite, twinned for life. Rafaela Bassili, Vulture, 4 Apr. 2024 This is twinned with legal gender discrimination that has significant economic and political consequences: women in Iran make up more than 50 percent of university graduates but just 14 percent of the labor market. Zoe Marks, Foreign Affairs, 31 Oct. 2022 See all Example Sentences for twin 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'twin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

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

First Known Use

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

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

Dictionary Entries Near twin

Cite this Entry

“Twin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/twin. Accessed 17 Jul. 2024.

Kids Definition

twin

1 of 3 adjective
1
: born with one other or as a pair at one birth
my twin brother
twin girls
2
a
: made up of two similar, related, or connected members or parts
b
: being one of a pair
a twin city

twin

2 of 3 verb
twinned; twinning
: to produce or give birth to twins

twin

3 of 3 noun
: either of two offspring produced at a birth compare fraternal twin, identical twin

Medical Definition

twin

1 of 2 adjective
: born with one other or as a pair at one birth
a twin brother
twin girls

twin

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

More from Merriam-Webster on twin

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