twin

Noun · Verb · Adjective
Synonyms: GeminiTwinTwin Fallscounterpartsimilitudeduplicateparallelmatchmatecouplepairmatching

WordNet 3.0

Noun (4)

  1. either of two offspring born at the same time from the same pregnancy
  2. (astrology) a person who is born while the sun is in GeminiSynonyms: GeminiTwin
  3. a waterfall in the Snake River in southern IdahoSynonyms: TwinTwin Falls
  4. a duplicate copySynonyms: counterpartsimilitude

Verb (4)

  1. duplicate or match“The polished surface twinned his face and chest in reverse”Synonyms: duplicateparallel
  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”Synonyms: matchmatecouplepair
  3. grow as twins“twin crystals”
  4. give birth to twins

Adjective (1)

  1. being two identicalSynonyms: duplicatematchingtwin(a)twinned
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Webster's Dictionary (GCIDE)

Twin \Twin\, v. i. To depart from a place or thing. [Obs.] "Ere that we farther twin." --Chaucer. [1913 Webster]
Twin \Twin\, v. i. [imp. & p. p. Twinned; p. pr. & vb. n. Twinning.]

1.To bring forth twins. --Tusser. [1913 Webster]

2.To be born at the same birth. --Shak. [1913 Webster]

Twin \Twin\, v. t.

1.To cause to be twins, or like twins in any way. --Shak. [1913 Webster]

Still we moved Together, twinned, as horse's ear and eye.— Tennyson.[1913 Webster]

2.To separate into two parts; to part; to divide; hence, to remove; also, to strip; to rob. [Obs.] [1913 Webster]

The life out of her body for to twin.— Chaucer.[1913 Webster]
Twin \Twin\, n.

1.One of two produced at a birth, especially by an animal that ordinarily brings forth but one at a birth; -- used chiefly in the plural, and applied to the young of beasts as well as to human young. [1913 Webster]

2.pl. (Astron.) A sign and constellation of the zodiac; Gemini. See Gemini. [1913 Webster]

3.A person or thing that closely resembles another. [1913 Webster]

4.(Crystallog.) A compound crystal composed of two or more crystals, or parts of crystals, in reversed position with reference to each other. [1913 Webster]

Note: The relative position of the parts of a twin may be explained by supposing one part to be revolved 180[deg] about a certain axis (called the twinning axis), this axis being normal to a plane (called the twinning plane) which is usually one of the fundamental planes of the crystal. This revolution brings the two parts into parallel position, or vice versa. A contact twin is one in which the parts are united by a plane surface, called the composition face, which is usually the same as the twinning plane. A penetration twin is one in which the parts interpenetrate each other, often very irregularly. Twins are also called, according to form, cruciform, geniculated, etc. [1913 Webster]

Twin \Twin\ (tw[i^]n), a. [OE. twin double, AS. getwinne two and two, pl., twins; akin to D. tweeling a twin, G. zwilling, OHG. zwiniling, Icel. tvennr, tvinnr, two and two, twin, and to AS. twi- two. See Twice, Two.]

1.Being one of two born at a birth; as, a twin brother or sister. [1913 Webster]

2.Being one of a pair much resembling one another; standing in the relation of a twin to something else; -- often followed by to or with. --Shak. [1913 Webster]

3.(Bot.) Double; consisting of two similar and corresponding parts. [1913 Webster]

4.(Crystallog.) Composed of parts united according to some definite law of twinning. See Twin, n., 4. [1913 Webster]

Twin boat, or Twin ship (Naut.), a vessel whose deck and upper works rest on two parallel hulls.

Twin crystal. See Twin, n., 4.

Twin flower (Bot.), a delicate evergreen plant (Linnaea borealis) of northern climates, which has pretty, fragrant, pendulous flowers borne in pairs on a slender stalk.

Twin-screw steamer, a steam vessel propelled by two screws, one on either side of the plane of the keel. [1913 Webster]

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