OPOSSUM
opossum, possum
(noun) nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America
phalanger, opossum, possum
(noun) small furry Australian arboreal marsupials having long usually prehensile tails
Source: WordNet® 3.1
Etymology
Noun
opossum (plural opossums)
Any American marsupial of the family Didelphidae. The common species of the United States is Didelphis virginiana.
Synonyms
• possum (US)
Source: Wiktionary
O*pos"sum, n. Etym: [Of N. American Indian origin.] (Zoöl.)
Definition: Any American marsupial of the genera Didelphys and Chironectes.
The common species of the United States is Didelphys Virginiana.
Note: Several related species are found in South America. The water
opossum of Brazil (Chironectes variegatus), which has the hind feet,
webbed, is provided with a marsupial pouch and with cheek pouches. It
is called also yapock. Opossum mouse. (Zoöl.) See Flying mouse, under
Flying.
– Opossum shrimp (Zoöl.), any schizopod crustacean of the genus
Mysis and allied genera. See Schizopoda.
Source: Webster’s Unabridged Dictionary 1913 Edition