noun, plural pock·et·knives.

a knife with one or more blades that fold into the handle, suitable for carrying in the pocket.

Origin of pocketknife

First recorded in 1720–30; pocket + knife
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for pocketknife

knife, switchblade, penknife

Examples from the Web for pocketknife

Contemporary Examples of pocketknife

Historical Examples of pocketknife

  • Taking out his pocketknife he neatly snipped one of the small wires.

  • His pocketknife was a serviceable one and he had plenty of physical strength.

    The Highgrader

    William MacLeod Raine

  • With his pocketknife Kilmeny cut the string that tied the sack.

    The Highgrader

    William MacLeod Raine

  • He opened his pocketknife and carefully slit the covering at one end.

  • He would stop that steer somehow if he had only his pocketknife to do it.

    The Dude Wrangler

    Caroline Lockhart

British Dictionary definitions for pocketknife


noun plural -knives

a small knife with one or more blades that fold into the handle; penknife
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012