Meaning

• To give in.

• To clear away and place into storage.

• To put back together.

• To move one's residence.

  "After 5 months in Madrid, I've decided it is time to pack up."

• To prepare for shipping, as a gift.

  "Pack up the crates."

• (of things) To put into bags to prepare to move.

• (of a machine) To break, to cease to function.