资料来源 : pyDict

三角形,三角琴,三宫之一组

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Trigon \Tri"gon\, n. (Zo["o]l.)
   The cutting region of the crown of an upper molar, usually
   the anterior part. That of a lower molar is the

Trigon \Tri"gon\, n. [L. trigonum, Gr. ?; ? (see {Tri-}) + ? a
   corner, angle: cf. F. trigone.]
   1. A figure having three angles; a triangle.

   2. (Astrol.)
      (a) A division consisting of three signs.
      (b) Trine, an aspect of two planets distant 120 degrees
          from each other. --Hutton.

   3. (Gr. & Rom. Antiq.)
      (a) A kind of triangular lyre or harp.
      (b) A kind of game at ball played by three persons
          standing at the angular points of a triangle.

资料来源 : WordNet®

trigon
     n 1: a three-sided polygon [syn: {triangle}, {trilateral}]
     2: (astrology) one of four groups of the zodiac where each
        group consists of three signs separated from each other by
        120 degrees [syn: {triplicity}]
     3: a triangular lyre of ancient Greece and Rome