[ nap-sak ]
/ ˈnæpˌsæk /


a canvas, nylon, or leather bag for clothes, food, and other supplies, carried on the back by soldiers, hikers, etc.

Origin of knapsack

1595–1605; < Low German knappsack, equivalent to knapp a bite (of food) + sack sack1; compare dialectal English knap to snap up, eat greedily

Related forms

knap·sacked, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for knapsack

British Dictionary definitions for knapsack


/ (ˈnæpˌsæk) /


a canvas or leather bag carried strapped on the back or shoulder

Word Origin for knapsack

C17: from Low German knappsack, probably from knappen to bite, snap + sack bag; related to Dutch knapzak; see sack 1
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