Parallelogram vs. Trapezium

Parallelogramnoun

(geometry) A convex quadrilateral in which each pair of opposite edges are parallel and of equal length.

Parallelogramnoun

either of two rectangular areas (respectively the large parallelogram and the small parallelogram) abutting the goal line in front of the goal. (Since 1986 officially named the large rectangle and small rectangle, though the older names are still occasionally used.)

Parallelogramnoun

A right-lined quadrilateral figure, whose opposite sides are parallel, and consequently equal; - sometimes restricted in popular usage to a rectangle, or quadrilateral figure which is longer than it is broad, and with right angles.

Parallelogramnoun

a quadrilateral whose opposite sides are both parallel and equal in length

Parallelogram

In Euclidean geometry, a parallelogram is a simple (non-self-intersecting) quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure.

Trapeziumnoun

A four-sided polygon with two sides parallel

Trapeziumnoun

A four-sided polygon with no parallel sides and no sides equal; a simple convex irregular quadrilateral.

Trapeziumnoun

(anatomy) The trapezium bone of the wrist.

Trapeziumnoun

A region on the ventral side of the brain, either just back of the pons Varolii, or, as in man, covered by the posterior extension of its transverse fibers.

Trapeziumnoun

A plane figure bounded by four right lines, of which no two are parallel.

Trapeziumnoun

A bone of the carpus at the base of the first metacarpal, or thumb.

Trapeziumnoun

a quadrilateral with no parallel sides

Trapeziumnoun

a multiple star in the constellation of Orion

Trapeziumnoun

the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals