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definitions

backpack

[ bak-pak ]
/ ˈbækˌpæk /
|
SEE MORE SYNONYMS FOR backpack ON THESAURUS.COM

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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RELATED WORDS

knapsack, pack, rucksack, haversack

Nearby words

  1. backlite,
  2. backlog,
  3. backlot,
  4. backmost,
  5. backorder,
  6. backpacker,
  7. backpacking,
  8. backplate,
  9. backpressure,
  10. backrest

Origin of backpack

An Americanism dating back to 1910–15; back1 + pack1
Related formsback·pack·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples 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 Formsbackpacker, 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
Word Origin and History for backpack

backpack

1914 as a noun, 1916 as a verb, from back (n.) + pack (n.). Related: Backpacked; backpacking.

Online Etymology Dictionary, © 2010 Douglas Harper