Knapsack
Pronunciation : Knap"sack`
Part of Speech : n.
Etymology : [D. knapzak; knappen to eat + zak a bag. See Knap, v. t., and Sack.]
Definition : Defn: A case of canvas or leather, for carrying on the back a soldier's necessaries, or the clothing, etc., of a traveler. And each one fills his knapsack or his scrip With some rare thing that on the field is found. Drayton.
Source : Webster's Unabridged Dictionary, 1913