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English definition of “pack”

pack

verb  /pæk/ us  

pack verb (PUT INTO)

[I/T] to put items into a container, esp. for transporting them or for storage: [I] You’d better start packing. [T] I forgot to pack my socks. [T] Pack your bag, we’re leaving tonight.

pack verb (FILL)

[T] to fill a space, or to crowd people or things together, esp. in large numbers: [T] People packed Times Square, waiting for the new year to begin. The cooler was packed with cans of soda. fig. How much can you pack into a short vacation?

pack verb (PRESS TOGETHER)

[T] to press something consisting of a lot of small pieces together so that they form a solid mass: Nina packed the snow into a hard snowball.
packed
adjective  /pækt/ us  
Several people in the packed courtroom were crying.
Idioms

pack

noun [C]  /pæk/ us  

pack noun [C] (GROUP)

a group of animals: Wolves live and hunt in packs.

pack noun [C] (PUT INTO)

a number of things usually of the same kind that are tied together or stored in a container, or the container itself: a pack of bubble gum a pack of cards A pack is also a backpack.
(Definition of pack from the Cambridge Academic Content Dictionary © Cambridge University Press)
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