n. A large whale, Balaena mysticetus, having a large, rounded head, that inhabits Arctic waters.
the GNU version of the Collaborative International Dictionary of English
n. The great Arctic or Greenland whale. (Balæna mysticetus). See baleen, and whale.
The Century Dictionary and Cyclopedia
n. A species of right whale; the polar right whale or Greenland whale, Balœna mysticetus. See also cut under whale.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. large-mouthed Arctic whale
Word Usage
"The bowhead is a single species - closely related to the right whale - and is remarkable for being the only baleen whale to spend all its time in Arctic waters."