trapeziform, a.
(trəˈpiːzɪfɔːm)
[f. trapezium + -iform. Cf. F. trapéziforme (Littré).]
Having the form of a trapezium; quadrilateral with only two sides parallel.
1776 J. Lee Introd. Bot. Explan. Terms, Trapeziforme, trapeziform. 1817 Kirby & Sp. Entomol. (1843) II. 145 The wax-pockets in the hive-bee..two trapeziform whitish pockets. 1834 M{supc}Murtrie Cuvier's Anim. Kingd. 375 In Mycterus,..the body is ovoid,..and the thorax trapeziform. 1868 Rep. U.S. Commissioner Agric. (1869) 100 The family Tenebrionidæ consists of insects..having the thorax square or trapeziform, and as broad behind as the base of the wing⁓cases (Westwood). 1890 Cent. Dict. s.v. Projection, Trapeziform map-projection, a map-projection in which the space between two meridians and two parallels is represented by a trapezoid [i.e. a trapezium]. |