decagon

Noun

Meaning

A plane figure having ten sides and ten angles; any figure having ten angles. A regular decagon is one that has all its sides and angles equal.

Source: Webster's dictionary

pentagon cube quadrilateral square ten polygon dodecahedron hexagon rhombus octagon triangle rectangle quadrangle parallelogram cusp

Show all synonyms

trapezium

decaged decaging decaglycine decagonal decagonally decagram