WordReference Random House Unabridged Dictionary of American English © 2026
quad•ran•gu•lar
(kwo drang′gyə lər),USA pronunciation adj.
quad•ran′gu•lar•ly, adv.
quad•ran′gu•lar•ness, n.
WordReference Random House Learner's Dictionary of American English © 2026- Mathematicshaving four angles and four sides;
having the shape of a quadrangle.
- Late Latin quadrangulāris, equivalent. to quadrangul(um) quadrangle + -āris -ar1
- 1585–95
quad•ran′gu•lar•ness, n.
quad•ran•gle /ˈkwɑdˌræŋgəl/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Mathematicsa flat figure having four angles and four sides, such as a square.
- Architecturea four-sided space or court surrounded by a building or buildings, as on a college campus:In the main quadrangle students were playing frisbee.
quad•ran•gle
(kwod′rang′gəl),USA pronunciation n.
quad′ran′gled, adj.
- Mathematicsa plane figure having four angles and four sides, as a square.
- Architecturea square or quadrangular space or court that is surrounded by a building or buildings, as on a college campus.
- Architecturethe building or buildings around such a space or court.
- Geography, Surveying, Surveying, Place Namesthe area shown on one of the standard topographic map sheets published by the U.S. Geological Survey: approximately 17 mi. (27 km) north to south and from 11 to 15 mi. (17 to 24 km) east to west.
- Late Latin quadrangulum, noun, nominal use of neuter of Latin quadrangulus, quadriangulus four-cornered. See quadr-, angle
- late Middle English 1400–50
'quadrangular' also found in these entries (note: many are not synonyms or translations):