A postage stamp illustration of a cachalot or sperm whale.
cachalot definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Origin: French ; from Spanish cachalote ; from colloquial Portuguese cachola, head
cachalot definition by American Heritage Dictionary
See sperm whale.
Origin: French, from Spanish or Portuguese cachalote, augmentative of cachola, big head.