A carpenter ant coming out of a hole in wood.
carpenter ant 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.
any of a genus (Camponotus) of large ants that build nests in wooden buildings, tree trunks, etc. by gnawing out a complicated series of chambers
carpenter ant definition by American Heritage Dictionary
Any of various large ants of the genus Camponotus that nest in and are destructive to wood.