backpack

American  

[bak-pak] / ˈbækˌpæk /

noun

1. 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.

2. a piece of equipment designed to be used while being carried on the back.

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verb (used without object)

1. to go on a hike, using a backpack.

   We went backpacking in the Adirondacks.

verb (used with object)

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

backpack British  

/ ˈbækˌpæk /

noun

1. a rucksack or knapsack

2. a pack carried on the back of an astronaut, containing oxygen cylinders, essential supplies, etc

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verb

1. (intr) to travel about or go hiking with a backpack

2. (tr) to transport (food or equipment) by backpack

Other Word Forms

• backpacker noun
• backpacking noun

Etymology

Origin of backpack

An Americanism dating back to 1910–15; back ¹ + pack ¹

Example Sentences

They then remove the skis, placing them in their backpack, and continue climbing on foot.

From BBC

Supporters of the murder suspect flock to stand outside the courthouse in New York for his hearings, wearing backpacks and shirts saying "Free Luigi" and carrying signs protesting the healthcare industry.

From BBC

They were in his backpack, on his back.

From Literature

The burgeoning demand has caused breaches in stadium security, with guides flagging instances of tour participants entering the top deck with backpacks and even rolling suitcases going unchecked.

From Los Angeles Times

He worked all morning, and at eleven thirty he took his lunch out of his backpack and went to sit in one of the comfy chairs outside the dining room.

From Literature

Related Words

• knapsack