grampus, name applied to two members of the dolphin family (Delphinidae): Grampus griseus, also known as Risso's dolphin, of worldwide distribution, and Orcinus orca, also known as the killer whale.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
About Infoplease, Part of Family Education Network
© 2000–2015 Sandbox Networks, Inc., publishing as Infoplease