from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A four-sided plane figure with four right angles.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A quadrilateral having opposing sides parallel and four right angles.
from the GNU version of the Collaborative International Dictionary of English
- n. A four-sided figure having only right angles; a right-angled parallelogram.
- adj. Rectangular.
from The Century Dictionary and Cyclopedia
- Rectangular; right-angled.
- n. A quadrilateral plane figure having all its angles right angles and its opposite sides consequently equal.
- n. The product of two lengths.
- n. A right angle.
- n. A right-angled triangle.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a parallelogram with four right angles
French, from Medieval Latin rēctangulum, a right triangle, from Late Latin rēctiangulum : Latin rēctus, right; see reg- in Indo-European roots + Latin angulus, angle.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle French, from Old French, from Medieval Latin rectanglum ("right angle"), from rectus ("right") + angulus ("an angle"). (Wiktionary)