Adjacent Words

Trapezoid definitions

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Webster's 1828 Dictionary

TRAPEZOID', n. [L. trapezium.] An irregular solid figure having four sides, no two of which are parallel to each other; also, a plane four sided figure having two of the opposite sides parallel to each other.

WordNet (r) 3.0 (2005)

n
1: a quadrilateral with two parallel sides
2: the wrist bone between the trapezium and the capitate bones [syn: trapezoid, trapezoid bone, os trapezoideum]

Merriam Webster's

noun Etymology: New Latin trapezoïdes, from Greek trapezoeid?s trapezium-shaped, from trapeza table Date: circa 1706 1. a. British trapezium 1a b. a quadrilateral having only two sides parallel 2. a bone in the wrist at the base of the metacarpal of the index finger • trapezoidal adjective

Oxford Reference Dictionary

n. 1 Brit. a quadrilateral with no two sides parallel. 2 US = TRAPEZIUM 1. Derivatives: trapezoidal adj. Etymology: mod.L trapezoides f. Gk trapezoeides (as TRAPEZIUM)

Webster's 1913 Dictionary

Trapezoid Trap"e*zoid, n. [Gr. ? trapezoid-shaped; ? table + ? shape, likeness: cf. F. trap['e]zo["i]de. See Trapezium.] 1. (Geom.) A plane four-sided figure, having two sides parallel to each other. 2. (Anat.) A bone of the carpus at the base of the second metacarpal, or index finger.

Webster's 1913 Dictionary

Trapezoid Trap"e*zoid, a. 1. Having the form of a trapezoid; trapezoidal; as, the trapezoid ligament which connects the coracoid process and the clavicle. 2. (Anat.) Of or pertaining to the trapezoid ligament; as, the trapezoid line.

Moby Thesaurus

cube-shaped, cubed, cubic, cubiform, cuboid, diced, foursquare, oblong, orthogonal, quadrangular, quadrate, quadriform, quadrilateral, rectangular, rhombic, rhomboid, square, tetragonal, tetrahedral, trapezohedral