- a less common name for
quadrilateral 2
WordReference Random House Unabridged Dictionary of American English © 2025
tet•ra•gon
(te′trə gon′),USA pronunciation n.
- Mathematicsa polygon having four angles or sides;
a quadrangle or quadrilateral.
- Greek tetrágōnon. See tetra-, -gon
- 1620–30
Collins Concise English Dictionary © HarperCollins Publishers::
'tetragon' also found in these entries (note: many are not synonyms or translations):