Medical Dictionary

cavum

noun ca·vum \ˈkäv-əm, ˈkā-vəm\
plural ca·va \ˈkäv-ə, ˈkā-və\

Medical Definition of CAVUM

:  an anatomical recess or hollow: as a :  the lower part of the concha of the ear adjoining the origin of the helix b :  the nasal cavity

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