Noun: orca or-ku
- Predatory black-and-white toothed whale with large dorsal fin; common in cold seas
"The orca breached spectacularly while hunting seals"; "A pod of Orcinus orcas surrounded the ice floe";
- killer whale, killer, grampus, sea wolf, Orcinus orca
Derived forms: orcas
Type of: dolphin
Part of: genus Orcinus, Orcinus
Encyclopedia: Orca