from the GNU version of the Collaborative International Dictionary of English
- n. Formerly, any marsupial; but the term is now restricted to an American genus which includes the opossums, of which there are many species. See opossum. [Written also Didelphis.] See Illustration in Appendix.
from The Century Dictionary and Cyclopedia
- n. The typical and leading genus of marsupial implacental mammals of the family Didelphyidœ, containing the American opossums which are not web-footed.
Sorry, no etymologies found.