pack

1. 1. A collection of items tied up or wrapped; a bundle.
   2. A container made to be carried on the body of a person or animal.
2. The amount, as of food, that is processed and packaged at one time or in one season.
3. A small package containing a standard number of identical or similar items: a pack of matches.
4. 1. A complete set of related items: a pack of cards.
   2. Informal. A large amount; a heap: earned a pack of money.
5. 1. A group of animals, such as dogs or wolves, that run and hunt together.
   2. A gang of people: a pack of hoodlums.
   3. An organized troop having common interests: a Cub Scout pack. See synonyms at flock¹.
6. A mass of large pieces of floating ice driven together.
7. Medicine.
   1. The swathing of a patient or a body part in hot, cold, wet, or dry materials, such as cloth towels, sheets, or blankets.
   2. The materials so used.
   3. A material, such as gauze, that is therapeutically inserted into a body cavity or wound; packing.
8. An ice pack; an ice bag.
9. A cosmetic paste that is applied to the skin, allowed to dry, and then rinsed off.

1. To fold, roll, or combine into a bundle; wrap up.
2. 1. To put into a receptacle for transporting or storing: pack one's belongings.
   2. To fill up with items: pack one's trunk.
3. To process and put into containers in order to preserve, transport, or sell: packed the fruit in jars.
4. 1. To bring together (persons or things) closely; crowd together: managed to pack 300 students into the lecture hall.
   2. To fill up tight; cram.
5. Medicine.
   1. To wrap (a patient) in a pack.
   2. To insert a pack into a body cavity or wound.
6. To wrap tightly for protection or to prevent leakage: pack a valve stem.
7. To press together; compact firmly: packed the clay and straw into bricks.
8. Informal. To carry, deliver, or have available for action: a thug who packed a pistol; a fighter who packs a hard punch.
9. To send unceremoniously: The parents packed both children off to bed.
10. To constitute (a voting panel) by appointment, selection, or arrangement in such a way that it is favorable to one's purposes or point of view; rig: "In 1937 Roosevelt threatened to pack the court" (New Republic).

1. To place one's belongings in boxes or luggage for transporting or storing.
2. To be susceptible of compact storage: Dishes pack more easily than glasses.
3. To form lumps or masses; become compacted.

pack it in Informal.

1. To cease work or activity: Let's pack it in for the day.

[Middle English pak, possibly of Low German origin.]