Source : Webster's Revised Unabridged Dictionary (1913)

Pack \Pack\, v. i.
   1. To make up packs, bales, or bundles; to stow articles
      securely for transportation.

   2. To admit of stowage, or of making up for transportation or
      storage; to become compressed or to settle together, so as
      to form a compact mass; as, the goods pack conveniently;
      wet snow packs well.

   3. To gather in flocks or schools; as, the grouse or the
      perch begin to pack. [Eng.]

   4. To depart in haste; -- generally with off or away.

            Poor Stella must pack off to town     --Swift.

            You shall pack, And never more darken my doors
            again.                                --Tennyson.

   5. To unite in bad measures; to confederate for ill purposes;
      to join in collusion. [Obs.] ``Go pack with him.'' --Shak.

   {To send packing}, to drive away; to send off roughly or in
      disgrace; to dismiss unceremoniously. ``The parliament . .
      . presently sent him packing.'' --South.