Twin v. i. [imp. & p. p. Twinned p. pr. & vb. n. Twinning.]
 1. To bring forth twins.
 2. To be born at the same birth.


 Twinned a. Crystallog. Composed of parts united according to a law of twinning. See Twin, n., 4.

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 twin
      adj 1: being two identical [syn: duplicate, matching, twin(a),
              twinned]
      2: very similar [syn: siamese]
      n 1: either of two offspring born at the same time from the same
           pregnancy
      2: (astrology) a person who is born while the sun in in Gemini
         [syn: Gemini]
      3: a waterfall in the Snake River in southern Idaho [syn: {Twin
         Falls]
      4: a duplicate copy [syn: counterpart, similitude]
      v 1: duplicate or match; "The polished surface twinned his face
           and chest in reverse" [syn: duplicate, parallel]
      2: bring two objects, ideas, or people together; "This fact is
         coupled to the other one"; "Matchmaker, can you match my
         daughter with a nice young man?"; "The student was paired
         with a partner for collaboration on the project" [syn: match,
          mate, couple, pair]
      3: grow as twins; "twin crystals"
      4: give birth to twins
      [also: twinning, twinned]


 twinned
      adj : being two identical [syn: duplicate, matching, twin(a)]


 twinned
      See twin