orca

A black-and-white toothed whale (Orcinus orca) that feeds on large fish, squid, and marine mammals such as seals and other whales and dolphins.

In ornithology, that part of the tracheal tympanum of a bird which is formed by the more or less coössified rings of the bronchi. See tympanum.

In mammalogy, a genus of marine delphinoid odontocete cetaceans, containing the numerous species known as killers, sword-fish, or grampuses.

The killer whale (Orcinus orca).

A sea mammal (scientific name: Orcinus orca) related to dolphins and porpoises, commonly called the killer whale.

predatory black-and-white toothed whale with large dorsal fin; common in cold seas