Definify.com
Webster 1913 Edition
Pentamerous
Pen-tam′er-ous
,Adj.
[
Penta-
+ Gr. [GREEK] part.] 1.
(Biol.)
Divided into, or consisting of, five parts; also, arranged in sets, with five parts in each set, as a flower with five sepals, five petals, five, or twice five, stamens, and five pistils.
2.
(Zool.)
Belonging to the Pentamera.