quadrilateral
2 synonyms for quadrilateral, grouped by meaning and by how common each one is.
Noun — A flat shape with four straight sides.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
quadrangle
tetragon
Etymology
A learned borrowing from New Latin quadrilaterus, with -al added.
Full origin of quadrilateral →