1
a
: either of two offspring produced in the same pregnancy
b
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
twinned; twinning
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
Jazz Tangcay, Variety, 14 Apr. 2025
The athlete and model recently sent her only daughter and twin, Lauren Jolie Lockwood, off to prom.
—Elizabeth Ayoola, Essence, 14 Apr. 2025
Oumou Fofana, Essence, 17 Apr. 2025
The two have since welcomed three children: son Asher, born in November 2021, and twin daughters, Isabelle and Zariah, born in June 2023.
—Jane Lacroix, People.com, 15 Apr. 2025
David Brennan, ABC News, 8 Apr. 2025
Highland Park twins Louisa-May and Elliot Kramer, 4, painted a tapestry in the booth of Highland Park artist Chris Falcon.
—Karie Angell Luc, Chicago Tribune, 7 Apr. 2025
See All Example Sentences for twin
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Noun
The episode opens with the voiceover and the hero twins reenacting the Ye’iitsoh mythology in a play.
—Jazz Tangcay, Variety, 14 Apr. 2025
The athlete and model recently sent her only daughter and twin, Lauren Jolie Lockwood, off to prom.
—Elizabeth Ayoola, Essence, 14 Apr. 2025
Adjective
Beyond the exam room, the twin doctors who turn 50 this year are investing in the future through mentorship.
—Oumou Fofana, Essence, 17 Apr. 2025
The two have since welcomed three children: son Asher, born in November 2021, and twin daughters, Isabelle and Zariah, born in June 2023.
—Jane Lacroix, People.com, 15 Apr. 2025
Verb
Trump had repeatedly hinted that a future peace deal would include Ukrainian territorial and political concessions and be twinned with the curtailment of U.S. aid to Kyiv.
—David Brennan, ABC News, 8 Apr. 2025
Highland Park twins Louisa-May and Elliot Kramer, 4, painted a tapestry in the booth of Highland Park artist Chris Falcon.
—Karie Angell Luc, Chicago Tribune, 7 Apr. 2025
See All Example Sentences for twin
Cite this Entry
“Twin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/twin. Accessed 21 Apr. 2025.
Copy CitationKids Definition
twin
1 of 3 adjective1
: 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
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