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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 tra·pe·zi·um /trəˈpiziəm, træ-/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 tra·pe·zi·um /trəˈpɪzɪəm, træ-/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Tra·pe·zi·um n.; pl. E. Trapeziums L. Trapezia
 1. Geom. A plane figure bounded by four right lines, of which no two are parallel.
 2. Anat. (a) A bone of the carpus at  the base of the first metacarpal, or thumb. (b) A region on the ventral side of the brain, either just back of the pons Varolii, or, as in man, covered by the posterior extension of its transverse fibers.

From: WordNet (r) 2.0

      n 1: a quadrilateral with no parallel sides [ant: parallelogram]
      2: a multiple star in the constellation of Orion [syn: the
      3: the wrist bone on the thumb side of the hand that
         articulates with the 1st and 2nd metacarpals [syn: trapezium
         bone, os trapezium]
      [also: trapezia (pl)]