trapezoid

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trap·e·zoid

(trap'ĕ-zoyd), [TA]
1. Resembling a trapezium. Synonym(s): trapeziform
2. A geometric figure resembling a trapezium except that two of its opposite sides are parallel.
3. Synonym(s): trapezoid (bone)
4. Synonym(s): trapezoid body
[G. trapeza, table, + eidos, resemblance]

trapezoid

(trăp′ĭ-zoid′)
n.
Anatomy A small bone in the wrist, situated near the base of the index finger.

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

trap·e·zoid

(trap'ĕ-zoyd) [TA]
1. Resembling a trapezium.
Synonym(s): trapeziform.
2. A geometric figure resembling a trapezium except that two of its opposite sides are parallel.
3. Synonym(s): trapezoid bone.
[G. trapeza, table, + eidos, resemblance]