pocketknife 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. pocketknives
a small knife with a blade or blades that fold into the handle
pocketknife definition by American Heritage Dictionary
A small knife with blades or a blade that can fold into the handle when not in use.