Hypertext Webster Gateway: "knapsack"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Knapsack \Knap"sack`\, n. [D. knapzak; knappen to eat + zak a
bag. See {Knap}, v. t., and {Sack}.]
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.
From WordNet (r) 1.7 (wn)
knapsack
n : a bag carried by a strap on your back or shoulder [syn: {backpack},
{back pack}, {packsack}, {rucksack}, {haversack}]
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