Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
a small hammerhead shark (Sphyrna tiburo) with a narrow head resembling the blade of a shovel
Used by arrangement with John Wiley & Sons, Inc.
The 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.
A small hammerhead shark (Sphyrna tiburo), the head of which looks like a rounded spade, that is found in shallow waters of the Atlantic and Pacific.