BACKPACK

I. noun Date: 1914 1. a load carried on the back, a camping pack (as of canvas or nylon) supported by a usually aluminum frame and carried on the back, knapsack , a piece of equipment designed for use while being carried on the back, II. verb Date: 1927 transitive verb to carry (food or equipment) on the back especially in hiking, intransitive verb to hike with a ~, ~er noun