cavum
noun
ca·vum
| \ ˈkäv-əm
, ˈkā-vəm
\
, ˈkā-vəm
\
plural cava\ ˈkäv-ə
, ˈkā-və
\
, 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