trapezoid

2 ENTRIES FOUND:

trap·e·zoid

noun \ˈtra-pə-ˌzid\

: a four-sided shape that has two sides that are parallel and two sides that are not parallel

Full Definition of TRAPEZOID

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
trap·e·zoi·dal \ˌtra-pə-ˈzi-dəl\ adjective

Illustration of TRAPEZOID

Origin of TRAPEZOID

New Latin trapezoïdes, from Greek trapezoeidēs trapezium-shaped, from trapeza table
First Known Use: circa 1706

trap·e·zoid

noun \ˈtrap-ə-ˌzid\   (Medical Dictionary)

Medical Definition of TRAPEZOID

: a bone in the distal row of the carpus at the base of the index finger—called also lesser multangular, trapezoid bone, trapezoideum

Illustration of TRAPEZOID

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