trapezoidal

Definition

In the shape of a trapezoid, or having some faces which have one pair of parallel sides.

Etymology

From trapezoid + -al.

Example Sentences

• "On the each end was a leanback made of willow rods tied together in a tapered trapezoidal form set at an angle. Covers of buffalo hide with the hair on and quillwork designs were draped over the leanback and bed surface."

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