| didelphis | (n) type genus of the family Didelphidae, Syn. genus Didelphis |
| common opossum | (n) omnivorous opossum of the eastern United States; noted for feigning death when in danger; esteemed as food in some areas; considered same species as the crab-eating opossum of South America, Syn. Didelphis virginiana, Didelphis marsupialis |