concave polygon

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Related to concave polygon: convex polygon, Irregular polygon
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.concave polygon - a polygon such that there is a straight line that cuts it in four or more points
polygon, polygonal shape - a closed plane figure bounded by straight sides
reentering polygon, reentrant polygon - a polygon with one or more reentrant angles
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
But it is not significant for the group of concave polygon window, so the Beck Cyrus algorithm is suitable for the line clipping of the convex polygon window (Ferrin T E, Huang C C, Jarvis L E, et al., 1988).
To form a square, its interior angles were to be right angles so you had to fit at point F and the other outside to avoid a concave polygon."
The result is a tight concave polygon that contains all the points that were touched by the sphere.