noun a quadrilateral having both pairs of opposite sides parallel to each other. Origin of parallelogram 1560–70;
Late Latin parallēlogrammum
-gram 1 Related forms par·al·lel·o·gram·mat·ic , [par- uh-lel- uh-gr uh- mat-ik] /ˌpær əˌlɛl ə grəˈmæt ɪk/ par·al·lel·o·gram·mat·i·cal, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for parallelogram Historical Examples of parallelogram
The tables at which the guests are seated form three sides of a
From shoulders to the ground he was in the form of a
The plan is a
parallelogram, with a semicircle at the further end.
These lines formed a
parallelogram about three feet in length by two in breadth.
This day come home the instrument I have so long longed for, the
Parallelogram. British Dictionary definitions for parallelogram Word Origin for parallelogram
C16: via French from Late Latin, from Greek
parallēlogrammon, from parallēlos parallel + grammē line, related to graphein to write
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for parallelogram n.
1560s, from Middle French
parallélogramme (1550s) and directly from Late Latin parallelogrammum, from Greek parallelogrammon noun use of neuter adjective meaning "bounded by parallel lines," from parallelos (see parallel) + stem of graphein "to write" (see -graphy).
Online Etymology Dictionary, © 2010 Douglas Harper
A four-sided plane figure with opposite sides parallel. Rhombuses and rectangles are parallelograms.
The American Heritage® Science Dictionary
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