trapezoidal

trapezoid

trap·e·zoid

T0327600 (trăp′ĭ-zoid′)n.1. Mathematics a. A quadrilateral having two parallel sides.b. Chiefly British A trapezium.2. Anatomy A small bone in the wrist, situated near the base of the index finger.3. Sports An area in the shape of a trapezoid marked behind the goal line and the goal in ice hockey, where the goalie is allowed to play the puck.

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[Originally, a quadrilateral with no parallel sides (later confused with trapezium, originally, a quadrilateral with two parallel sides), from New Latin trapezoīdēs, a quadrilateral with no parallel sides, from Late Greek trapezoeidēs, from Greek table-shaped : trapeza, table; see trapezium + -oeidēs, -oid.]

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trap′e·zoid′, trap′e·zoi′dal (-zoid′l) adj.

trapezoidal

(ˌtræpɪˈzɔɪdəl) adj1. (Mathematics) geometry (in geometry) trapezoid shaped2. (Anatomy) anatomy relating to the trapezoid bone in the wrist

Thesaurus

Adj.

1.

trapezoidal - resembling a trapezoid