Orcinus orca

from WordNet (r) 3.0 (2006)

Orcinus orca
    n 1: predatory black-and-white toothed whale with large dorsal
         fin; common in cold seas [syn: {killer whale}, {killer},
         {orca}, {grampus}, {sea wolf}, {Orcinus orca}]

from The Collaborative International Dictionary of English v.0.48

Orca \Or"ca\ ([^o]r"k[.a]), prop. n.
   The {killer whale} ({Orcinus orca}).
   [PJC]

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