First Known Use: 14th century
Dictionary
1twin
noun \ˈtwin\
: 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
Full Definition of TWIN
1
a : either of two offspring produced at a birth b plural capitalized : 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·ship \-ˌship\ noun
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Origin of TWIN
Middle English, from twin twofold
2twin
verb
: to bring (two things) together in close association
: to form a relationship between (two towns in two countries)
twinnedtwin·ning
Full Definition of TWIN
transitive verb
1
: to bring together in close association : couple
intransitive verb
1
: to bring forth twins
2
: to grow as a twin crystal
See twin defined for English-language learners
First Known Use of TWIN
14th century
3twin
adjective
—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
Full Definition of TWIN
1
: born with one other or as a pair at one birth <my twin brother> <twin girls>
2
See twin defined for English-language learners
See twin defined for kids
Origin of TWIN
Middle English, twofold, double, from Old English twinn; akin to Old Norse tvinnr two by two, Old English twā two
First Known Use: 1593
Related to TWIN
- Synonyms
- binary, bipartite, double-barreled, double-edged, dual, duplex, double, twofold
- Antonyms
- single
TWIN Defined for Kids
1twin
noun \ˈtwin\
Definition of TWIN for Kids
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.>
2twin
adjective
Definition of TWIN for Kids
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>
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