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

  1. Geom. a plane figure having four sides and four angles
  2. a four-sided area

Related Forms:

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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