Pack

noun

1. A bundle made up and prepared to be carried; especially, a bundle to be carried on the back, but also a load for an animal, a bale.

   "The horses carried the packs across the plain."

2. A number or quantity equal to the contents of a pack
3. A multitude.

   "a pack of complaints"

4. A number or quantity of connected or similar things; a collective.
5. A full set of playing cards

   "We were going to play cards, but nobody brought a pack."