Antonyms:trapezium
Hypernyms:quadrangle quadrilateral tetragon
Inherited Hypernyms:parallelogramquadrilateralpolygonplane figurefigureshapeattributeabstractionentity
Direct Hyponyms:diamondrectanglerhombrhomboidrhombus
Full Hyponyms:
boxquadraterectanglerhomboidrhombussquare