Main Entry: knap·sack

Pronunciation: \ˈnap-ˌsak\

Function: noun

Etymology: Low German knappsack or Dutch knapzak, from Low German & Dutch knappen to make a snapping noise, eat + Low German sack or Dutch zak sack

Date: 1603

: a bag (as of canvas or nylon) strapped on the back and used for carrying supplies or personal belongings

— knap·sacked \-ˌsakt\ adjective