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

Wearing a green school jumper and carrying a backpack, he holds a banner reading: "Youths Against Corruption".

From BBC

The FBI previously released doorbell camera footage showing a masked person carrying a backpack, who it said was investigators' prime suspect.

From BBC

“We are aware that doorbell images released earlier in the investigation depict a suspect in different stages of attire, including with and without a backpack,” the department statement said.

From Los Angeles Times

The 12 teams of two had to negotiate two ascents plus a steep section of steps on foot with skis attached to the backpack.

From Barron's

The man is wearing a balaclava, gloves and a backpack.

From Los Angeles Times

Related Words

• knapsack