I. ˈfä-sə noun
( plural fos·sae -ˌsē, -ˌsī)
Etymology: New Latin, from Latin, ditch
Date: 1733
: an anatomical pit, groove, or depression
II. noun
Etymology: Malagasy
Date: 1838
: a slender lithe carnivorous mammal ( Cryptoprocta ferox ) of Madagascar that resembles a cat especially in having retractile claws but is usually considered a viverrid