|polygon (pŏl'ē-gŏn') Pronunciation Key
A closed plane figure having three or more sides. Triangles, rectangles, and octagons are all examples of polygons. ◇ A regular polygon is a polygon all of whose sides are the same length and all of whose interior angles are the same measure.
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.