nounWord forms: plural oˈpossums or oˈpossum
any of various families (esp. Didelphidae) of marsupials; esp., any of a small, omnivorous
, tree-dwelling American species
) with a ratlike, prehensile tail, that is active
and becomes motionless
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'opossum'< AmInd (Algonquian) name, lit., white beast