1

twin

noun \ ˈtwin \

Definition of twin

1 a :either of two offspring produced at a birth
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

play \-ˌship\ noun

Examples of twin in a Sentence

  1. She's the mother of twins.

  2. The twins went swimming after lunch.

  3. My sister just had twins.

  4. Sarah and her brother are twins.

Recent Examples of twin from the Web

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.

Origin and Etymology of twin

Middle English, from twin twofold


2

twin

adjective

Definition of twin

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

Examples of twin in a Sentence

  1. the twin goals of reducing oil dependence and protecting the environment

Recent Examples of twin from the Web

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.

Origin and Etymology of twin

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

twin Synonyms

Synonyms
binary, bipartite, double-barreled, double-edged, dual, duplex, double, twofold
Antonyms
single
Related Words
mated, paired
Near Antonyms
unpaired

3

twin

verb

Definition of twin

twinned; twinning
transitive verb
1 :to bring together in close association :couple
intransitive verb
1 :to bring forth twins
2 :to grow as a twin crystal

Recent Examples of twin from the Web

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.

First Known Use of twin

14th century



TWIN Defined for English Language Learners

twin

noun

Definition of twin for English Language Learners

  • : 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

verb

Definition of twin for English Language Learners

  • : to bring (two things) together in close association

  • : to form a relationship between (two towns in two countries)


twin

adjective

Definition of twin for English Language Learners

  • —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 Defined for Kids

1

twin

noun \ ˈtwin \

Definition of twin for Students

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.

2

twin

adjective

Definition of twin for Students

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

Medical Dictionary

1

twin

adjective \ ˈtwin \

medical Definition of twin

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

2

twin

noun

medical Definition of twin

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

twinship

play \-ˌship\ noun


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