mako 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.
noun pl. makos
a large, swift, dangerous mackerel shark (genus Isurus)
mako definition by American Heritage Dictionary
noun pl. ma·kos
Either of two mackerel sharks of the genus Isurus, characterized by a large heavy body and a nearly symmetrical tail.