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quadrilateral
Quadrilateral means four-sided.
(adjective)An example of something quadrilateral is a square.
Quadrilateral is defined as a shape with four sides and four angles.
(noun)An example of a quadrilateral is a rectangle.
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See quadrilateral in Webster's New World College Dictionary
adjective
four-sided
Origin: < L quadrilaterus (see quadri- & lateral) + -al
noun
- Geom. a plane figure having four sides and four angles
- a four-sided area
Related Forms:
- quadrilaterally adverb
See quadrilateral in American Heritage Dictionary 4
noun
Mathematics
A polygon having four sides.
adjective Having four sides.
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quadrilateral
top: convex quadrilateral
bottom: non-convex quadrilateral
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