pentamerous

adjective pen·tam·er·ous \pen-ˈta-mə-rəs\

Definition of PENTAMEROUS

: divided into or consisting of five parts; specifically : having each floral whorl consisting of five or a multiple of five members

New Latin pentamerus, from penta- (from Greek) + -merus -merous

First Known Use: 1821

Next Word in the Dictionary: PentamerusPrevious Word in the Dictionary: pentamerismAll Words Near: pentamerous

What made you want to look up pentamerous? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears