fossa
fos·sa
noun \ˈfäs-ə\plural ; fos·sae \-ˌē, -ˌī\ (audio pronunciation) (audio pronunciation)
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\ (audio pronunciation) adjective
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