twin

verb

twinned; twinning

transitive verb

1

: to bring together in close association : couple

2

: duplicate, match

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

Recent Examples on the Web

Born into a family of restaurateurs, twins Margot and Félix Dumant are on a quest to resurrect the traditional Parisian bistro, a concept some think is an endangered species in a fast-changing restaurant scene. —Mary Winston Nicklin, Condé Nast Traveler, 1 June 2026

The former couple also share Shiloh, 20, and twins Vivienne and Knox, both 17. —Jessica Schladebeck, New York Daily News, 29 May 2026

The singer and actress shares twins Max and Emme, 18, with Marc Anthony, to whom she was married from 2004 to 2014. —Clare Fisher, PEOPLE, 28 May 2026

But Lerner & Loewe bore twin messages with this show, one being about the power of sacrifice and the other being a pure testament to true love. —Chris Willman, Variety, 27 May 2026

Word History

First Known Use

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

Phrases Containing twin

• conjoined twin
• fraternal twin
• identical twin
• Siamese twin
• twin bed
• twin-bedded
• twin bill
• twin double
• twin primes
• twin-size
• twin town
• twin-turbo

Rhymes for twin

• been
• bin
• chin
• din
• djinn
• fin
• finn
• gin
• grin
• in
• kin
• linn

Kids Definition

twin

1 of 3 adjective

ˈtwin 

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

ˈtwin 

: 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

-ˌship 

noun