Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Having the shape of a rectangle.
  • adjective Having right angles or a rectangular base, side, or sides.
  • adjective Designating a geometric coordinate system with mutually perpendicular axes.

from The Century Dictionary.

  • Right-angled; having an angle or angles of ninety degrees.
  • Shaped like a rectangle; that is, having four sides and four right angles.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Right-angled; having one or more angles of ninety degrees.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Having a shape like a rectangle.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective having four right angles
  • adjective having a set of mutually perpendicular axes; meeting at right angles

Etymologies

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Examples

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