n. [ Cf. Sw. snappsäck, G. schnappsack. ] A knapsack. [ Obs. ] South. [ 1913 Webster ]

n. [ D. knapzak; knappen to eat + zak a bag. See Knap, v. t., and Sack. ] A case of canvas, leather, nylon, or other sturdy fabric, fitted with straps, for carrying on the back the food, clothing, or other supplies for a soldier or a traveler; as, to hike up the mountain with lunch in a knapsack. [ 1913 Webster +PJC ]

And each one fills his knapsack or his scrip
With some rare thing that on the field is found. Drayton. [ 1913 Webster ]