Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
any of a family (Hydrobatidae) of petrels; esp., a black-and-white species (Hydrobates pelagicus) of the N Atlantic and the Mediterranean
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of various small sea birds of the family Hydrobatidae, especially Hydrobates pelagicus, of the North Atlantic and the Mediterranean, having sooty plumage and a white rump. Also called stormy petrel.