- (esp of animals or plants) having or consisting of four parts
WordReference Random House Unabridged Dictionary of American English © 2026
te•tram•er•ous
(te tram′ər əs),USA pronunciation adj.
te•tram′er•ism, n.
- consisting of or divided into four parts.
- Botany(of flowers) having the parts of a whorl arranged in fours or multiples of four.
- Greek tetrameré̄s having four parts. See tetra-, -merous
- Neo-Latin tetramerus
- 1820–30
Collins Concise English Dictionary © HarperCollins Publishers::
tetramerous /tɛˈtræmərəs/ adj