CONCAVE POLYGON

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A polygon such that there is a straight line that cuts it in four or more points

Classified under:

Nouns denoting two and three dimensional shapes

Hypernyms ("concave polygon" is a kind of...):

polygon; polygonal shape (a closed plane figure bounded by straight sides)

Hyponyms (each of the following is a kind of "concave polygon"):

reentering polygon; reentrant polygon (a polygon with one or more reentrant angles)

Antonym:

convex polygon (a polygon such that no side extended cuts any other side or vertex; it can be cut by a straight line in at most two points)

Credits