Medical Dictionary

cumulus

noun cu·mu·lus \ˈkyü-myə-ləs\
plural cu·mu·li \-ˌlī, -ˌlē\

Medical Definition of CUMULUS

:  the projecting mass of granulosa cells that bears the developing ovum in a graafian follicle—called also discus proligerus

Browse

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