n.
A small toothed whale (Delphinapterus leucas), chiefly of northern waters, that is white when full-grown. Also called beluga, sea canary.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
