trapeziformadj.
/trəˈpiːzɪfɔːm/ Having the form of a trapezium; quadrilateral with only two sides parallel.
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the world > space > shape > angularity > specific angular shape > [adjective] > quadrilateral > trapezial
trapezial1681
trapeziform1776
trapezoidal1794
trapezoid1819
trapezate1826
the world > relative properties > number > geometry > shape or figure > [adjective] > two-dimensional > quadrilateral > trapezial
trapezial1681
trapeziform1776
trapezoidal1794
trapezoid1819
1776 J. Lee Introd. Bot. (ed. 3) Explan. Terms Trapeziforme, trapeziform.
1817 W. Kirby & W. Spence Introd. Entomol. (1843) II. 145 The wax-pockets in the hive-bee..two trapeziform whitish pockets.
1834 H. McMurtrie tr. G. Cuvier Animal Kingdom (abridged ed.) 375 In Mycterus,..the body is ovoid,..and the thorax trapeziform.
1869 Ann. Rep. Commissioner Agric. 1868 100 in U.S. Congress. Serial Set (40th Congr., 3rd Sess.: House of Representatives Executive Doc.) XV 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. at 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].
This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2022).
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adj.1776