twin

(twin)

adjective

    1. consisting of or being two separate but similar or closely related things; forming a pair; double; paired: twin beds
    2. being one of a pair of such things; being a counterpart
    1. being two offspring from the same pregnancy: twin girls
    2. being either one of two offspring from the same pregnancy: a twin sister

Origin: ME < OE twinn & ON tvinnr, double, both < base of two

noun

  1. either one of two offspring from the same pregnancy: twins are either identical (produced from the same ovum) or fraternal (produced from separate ova)
  2. either one of two persons or things very much alike in appearance, shape, structure, etc.
  3. a compound crystal of two crystals or parts having a common face but in reversed positions with respect to each other

intransitive verb twinned, twinning

  1. to give birth to twins
  2. to be paired or coupled (with another)
  3. Archaic to be born at the same birth

transitive verb

  1. to give birth to as twins
  2. to be or provide a counterpart to
  3. to pair or couple

See twin in American Heritage Dictionary 4

noun
  1. One of two offspring born at the same birth.
  2. One of two identical or similar people, animals, or things; a counterpart.
  3. twins Mineralogy Two interwoven crystals that are mirror images of each other.
  4. A twin-size bed.
adjective
  1. Being two or one of two offspring born at the same birth: twin sisters.
  2. Being two or one of two identical or similar people, animals, or things: twin cities; a twin bed.
  3. Botany Of or relating to structures, such as flowers, that occur in pairs.
  4. Consisting of two identical or similar parts: a twin lamp fixture.
verb twinned twinned, twin·ning, twins
verb, intransitive
  1. a. To give birth to twins.
    b. Archaic To be one of twin offspring.
  2. To be paired or coupled.
verb, transitive
  1. To pair or couple.
  2. To provide a match or counterpart to.

Origin:

Origin: Middle English

Origin: , from Old English twinn, twofold; see dwo- in Indo-European roots

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