Definition of "pocketknife" [pock•et•knife]

• A small knife with blades or a blade that can fold into the handle when not in use. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The second theme appears to be the apparent discovery by the aforementioned individuals that a pocketknife is actually a functional tool that can be handy for particular tasks."
• "As far as I can tell, a pocketknife is the kind of gift a cowboy gives to his lady."
• "His pocketknife was a serviceable one and he had plenty of physical strength."