Medical Dictionary

fossa

noun fos·sa \ˈfäs-ə\
plural fos·sae \-ˌē, -ˌī\

Medical Definition of FOSSA

:  an anatomical pit, groove, or depression <the temporal fossa of the skull> <the fossa in the liver for the gallbladder>
fos·sate \-ˌāt\ adjective
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