backpack

[ bak-pak ]
/ ˈbækˌpæk /

noun

a pack or knapsack, often of canvas or nylon, to be carried on one's back, sometimes supported on a lightweight metal frame strapped to the body.
a piece of equipment designed to be used while being carried on the back.

verb (used without object)

to go on a hike, using a backpack: We went backpacking in the Adirondacks.

verb (used with object)

to place or carry in a backpack or on one's back.

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Origin of backpack

An Americanism dating back to 1910–15; back1 + pack1

OTHER WORDS FROM backpack

back·pack·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for backpack

British Dictionary definitions for backpack

backpack
/ (ˈbækˌpæk) /

noun

a rucksack or knapsack
a pack carried on the back of an astronaut, containing oxygen cylinders, essential supplies, etc

verb

(intr) to travel about or go hiking with a backpack
(tr) to transport (food or equipment) by backpack

Derived forms of backpack

backpacker, nounbackpacking, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012