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.
 Rightangled; 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 Rightangled; having one or more angles of ninety degrees.
from Wiktionary, Creative Commons Attribution/ShareAlike License.
 adjective Having a
shape like arectangle .
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
Sorry, no etymologies found.
Examples

(Cake may be left in rectangular pan, if desired.)

(Cake may be left in rectangular pan, if desired.)

The first series is incorporating plain rectangular elements which participate in the creation of parabolic volumes.

The first series is incorporating plain rectangular elements which participate in the creation of parabolic volumes.

I am proud of my quick adaptive thinking, and I dub the rectangular, jerryrigged rabbit cage the FEMA Trailer.

I am proud of my quick adaptive thinking, and I dub the rectangular, jerryrigged rabbit cage the FEMA Trailer.

I am proud of my quick adaptive thinking, and I dub the rectangular, jerryrigged rabbit cage the FEMA Trailer.

I am proud of my quick adaptive thinking, and I dub the rectangular, jerryrigged rabbit cage the FEMA Trailer.

Gorgeous inside but I don’t like the plain rectangular shape of the exterior.

Nicodemus~ a tan complexioned man with long tangled black hair, resembleing untidy dreadlocks, a thin rectangular beard growing from his chin, piercing blue eyes and appearing to be in his early 30’s.
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