Rectangle vs. Trapezoid

Rectanglenoun

(geometry) A quadrilateral having opposing sides parallel and four right angles.

Rectanglenoun

A four-sided figure having only right angles; a right-angled parallelogram.

Rectangleadjective

Rectangular.

Rectanglenoun

a parallelogram with four right angles

Rectanglenoun

a plane figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square.

Rectangle

In Euclidean plane geometry, a rectangle is a quadrilateral with four right angles. It can also be defined as: an equiangular quadrilateral, since equiangular means that all of its angles are equal (360°/4 = 90°); or a parallelogram containing a right angle.

Trapezoidnoun

A (convex) quadrilateral with two (non-adjacent) parallel sides.

Trapezoidnoun

A convex quadrilateral with no sides parallel and no equal sides.

Trapezoidnoun

(anatomy) The trapezoid bone of the wrist.

Trapezoidnoun

A plane four-sided figure, having two sides parallel to each other.

Trapezoidnoun

A bone of the carpus at the base of the second metacarpal, or index finger.

Trapezoidadjective

Having the form of a trapezoid; trapezoidal; as, the trapezoid ligament which connects the coracoid process and the clavicle.

Trapezoidadjective

Of or pertaining to the trapezoid ligament; as, the trapezoid line.

Trapezoidnoun

a quadrilateral with two parallel sides

Trapezoidnoun

the wrist bone between the trapezium and the capitate bones

Trapezoid

In Euclidean geometry, a convex quadrilateral with at least one pair of parallel sides is referred to as a trapezium () in English outside North America, but as a trapezoid () in American and Canadian English. The parallel sides are called the bases of the trapezoid and the other two sides are called the legs or the lateral sides (if they are not parallel; otherwise there are two pairs of bases).