parallelogram

The definition of a parallelogram is a four-sided plane with opposite sites which are equal and parallel.

A rectangle is an example of a parallelogram.

## parallelogram

a plane figure with four sides, having the opposite sides parallel and equal

Origin of parallelogram

French*parallélogramme*; from Classical Latin

*parallelogrammum*; from Classical Greek

*parall?logrammon*; from

*parall?los,*parallel +

*gramm?,*stroke in writing: see gram

## parallelogram

noun

A four-sided plane figure with opposite sides parallel.

Origin of parallelogram

Late Latin*parall&emacron;logrammum*, from Greek

*parall&emacron;logrammon*, from neuter sing. of

*parall&emacron;logrammos*,

*bounded by parallel lines*:

*parall&emacron;los*,

*parallel*; see

**parallel**+

*gramm&emacron;*,

*line*; see

*gerbh-*in Indo-European roots.

**parallelogram**

## parallelogram

Noun

(*plural* parallelograms)

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