Definition of parallelogram
: a quadrilateral with opposite sides parallel and equal
Examples of parallelogram in a sentence
Rectangles, squares, and rhombuses are all parallelograms.
Origin and Etymology of parallelogram
Late Latin or Greek; Late Latin parallelogrammum, from Greek parallēlogrammon, from neuter of parallēlogrammos bounded by parallel lines, from parallēlos + grammē line, from graphein to write — more at carve
First Known Use: 1570
PARALLELOGRAM Defined for English Language Learners
Definition of parallelogram for English Language Learners
geometry : a four-sided shape made up of two pairs of straight parallel lines that are equal in length
PARALLELOGRAM Defined for Kids
Definition of parallelogram for Students
: a plane figure with four sides whose opposite sides are parallel and equal
Seen and Heard
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