Dictionary Home » Medical Definitions » fossa

fossa medical definition

See in a sentence

noun pl. fos·sae

A small longitudinal cavity or depression, as in a bone.

Learn more about fossa

» fossa definition

» fossa sentence examples

link/cite print suggestion box

More from YD

» bed

FOSS (computer)

fossa of lacrimal gland

fossa of vestibule of vagina