Definition of pack:

part of speech: verb

To bind together tightly and firmly; to place in close order; to select and put together persons for an unjust object, as to pack a jury; to tie up goods for carriage; to go or send off in a hurry.

part of speech: noun

A bundle or bale tied up for convenient carriage; a load; a set of playing cards; a body of hounds for hunting; a number of persons confederated, in an ill sense.