Definition from Wiktionary, the free dictionary
Corruption of opossum.
possum (plural possums)
- (US) An opossum, a marsupial of the family Didelphidae of the Americas.
- Any of marsupials in several families of the order Diprotodontia of Australia and neighboring islands.
opossum — see opossum
any of marsupials in several families of the order Diprotodontia of Australia and neighboring islands
Derived terms 
Related terms 
See also 
- I am able; I can.
This verb is irregular, but resembles sum prefixed with pot-. Several contractions and simplifications occur, however: -ts- > -ss-, -tf- > -t-, -tess- > -ss-.