trapezial, a.
(trəˈpiːzɪəl)
[f. mod.L. trapezium + -al1.]
1. Of or pertaining to a trapezium; having the form of a trapezium, trapeziform.
| 1681 tr. Willis' Rem. Med. Wks. Vocab., Trapezial, belonging to a geometrical figure, so called of four sides. 1703 T. N. City & C. Purchaser 249 At each corner of the Newel there is a trapezial Half-pace. 1852 Dana Crust. i. 312 Their trapezial or quadrate form. |
2. Anat. Pertaining to the trapezium (in either sense), or to the trapezius muscle.
| 1891 Cent. Dict., Trapezial, in anat., pertaining to the trapezius: as, trapezial fibers or action. 1899 Syd. Soc. Lex., Trapezial, pertaining to the Trapezium or Trapezius. |