- Quadrilateral means four-sided.
An example of something quadrilateral is a square.
- Quadrilateral is defined as a shape with four sides and four angles.
An example of a quadrilateral is a rectangle.
These are quadrilateral shapes.Licensed from iStockPhoto
Origin: from Classical Latin quadrilaterus (see quadri- and amp; lateral) plush -al
- Geom. a plane figure having four sides and four angles
- a four-sided area
- quadrilaterally adverb
Used by arrangement with John Wiley & Sons, Inc.
top: convex quadrilateral
bottom: non-convex quadrilateral
quadrilateral - Science Definition
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