Source : Webster's Revised Unabridged Dictionary (1913)

Pack \Pack\, n.
   1. (Med.) In hydropathic practice, a wrapping of blankets or
      sheets called {dry pack}, {wet pack}, {cold pack}, etc.,
      according to the condition of the blankets or sheets used,
      put about a patient to give him treatment; also, the fact
      or condition of being so treated.

   2. (Rugby Football) The forwards who compose one half of the
      scrummage; also, the scrummage.

   {Pack and prime} {road or way}, a pack road or bridle way.

Pack \Pack\, v. t.
   To cover, envelop, or protect tightly with something; specif.
   (Hydropathy), to envelop in a wet or dry sheet, within
   numerous coverings.

Pack \Pack\, v. t. [imp. & p. p. {Packed}; p. pr. & vb. n.
   {Packing}.] [Akin to D. pakken, G. packen, Dan. pakke, Sw.
   packa, Icel. pakka. See {Pack}, n.]
   1. To make a pack of; to arrange closely and securely in a
      pack; hence, to place and arrange compactly as in a pack;
      to press into close order or narrow compass; as to pack
      goods in a box; to pack fish.

            Strange materials packed up with wonderful art.
                                                  --Addison.

            Where . . . the bones Of all my buried ancestors are
            packed.                               --Shak.

   2. To fill in the manner of a pack, that is, compactly and
      securely, as for transportation; hence, to fill closely or
      to repletion; to stow away within; to cause to be full; to
      crowd into; as, to pack a trunk; the play, or the
      audience, packs the theater.

   3. To sort and arrange (the cards) in a pack so as to secure
      the game unfairly.

Pack \Pack\, n. [Akin to D. pak, G. pack, Dan. pakke, Sw. packa,
   Icel. pakki, Gael. & Ir. pac, Arm. pak. Cf. {Packet}.]
   1. A bundle made up and prepared to be carried; especially, a
      bundle to be carried on the back; a load for an animal; a
      bale, as of goods. --Piers Plowman.

   2. [Cf. {Peck}, n.] A number or quantity equal to the
      contents of a pack; hence, a multitude; a burden. ``A pack
      of sorrows.'' ``A pack of blessings.'' --Shak.

   Note: ``In England, by a pack of meal is meant 280 lbs.; of
         wool, 240 lbs.'' --McElrath.

   3. A number or quantity of connected or similar things; as:
      (a) A full set of playing cards; also, the assortment used
          in a particular game; as, a euchre pack.
      (b) A number of hounds or dogs, hunting or kept together.
      (c) A number of persons associated or leagued in a bad
          design or practice; a gang; as, a pack of thieves or
          knaves.
      (d) A shook of cask staves.
      (e) A bundle of sheet-iron plates for rolling
          simultaneously.

   4. A large area of floating pieces of ice driven together
      more or less closely. --Kane.

   5. An envelope, or wrapping, of sheets used in hydropathic
      practice, called dry pack, wet pack, cold pack, etc.,
      according to the method of treatment.

   6. [Prob. the same word; but cf. AS. p?can to deceive.] A
      loose, lewd, or worthless person. See {Baggage}. [Obs.]
      --Skelton.

   {Pack animal}, an animal, as a horse, mule, etc., employed in
      carrying packs.

   {Pack cloth}, a coarse cloth, often duck, used in covering
      packs or bales.

   {Pack horse}. See {Pack animal} (above).

   {Pack ice}. See def. 4, above.

   {Pack moth} (Zo["o]l.), a small moth ({Anacampsis
      sarcitella}) which, in the larval state, is very
      destructive to wool and woolen fabrics.

   {Pack needle}, a needle for sewing with pack thread. --Piers
      Plowman.

   {Pack saddle}, a saddle made for supporting the load on a
      pack animal. --Shak.

   {Pack staff}, a staff for supporting a pack; a peddler's
      staff.

   {Pack thread}, strong thread or small twine used for tying
      packs or parcels.

   {Pack train} (Mil.), a troop of pack animals.

Pack \Pack\, n. [Cf. {Pact}.]
   A pact. [Obs.] --Daniel.

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.

Source : WordNet®

pack
     n 1: a large indefinite number; "a battalion of ants"; "a
          multitude of TV antennas"; "a plurality of religions"
          [syn: {battalion}, {large number}, {multitude}, {plurality}]
     2: a complete collection of similar things
     3: a small parcel (as of cigarettes or film)
     4: an association of criminals; "police tried to break up the
        gang"; "a pack of thieves" [syn: {gang}, {ring}, {mob}]
     5: an exclusive circle of people with a common purpose [syn: {clique},
         {coterie}, {ingroup}, {inner circle}, {camp}]
     6: a group of hunting animals
     7: a cream that cleanses and tones the skin [syn: {face pack}]
     8: a sheet or blanket (either dry or wet) to wrap around the
        body for its therapeutic effect
     9: a bundle (especially one carried on the back)

pack
     v 1: arrange in a container; "pack the books into the boxes"
          [ant: {unpack}]
     2: fill to capacity; "This singer always packs the concert
        halls"; "They murder trial packed the court house"
     3: compress into a wad; "wad paper into the box" [syn: {bundle},
         {wad}, {compact}]
     4: carry, as on one's back; "Pack your tents to the top of the
        mountain"
     5: set up a committee or legislative body with one's own
        supporters so as to influence the outcome; "pack a jury"
     6: have with oneself; have on one's person; "She always takes
        an umbrella"; "I always carry money"; "She packs a gun
        when she goes into the mountains" [syn: {carry}, {take}]
     7: press tightly together or cram; "The crowd packed the
        auditorium" [syn: {throng}, {mob}, {pile}, {jam}]
     8: hike with a backpack; "Every summer they are backpacking in
        the Rockies" [syn: {backpack}]
     9: press down tightly; "tamp the coffee grinds in the container
        to make espresso" [syn: {tamp down}, {tamp}]
     10: seal with packing; "pack the faucet"
     11: have the property of being packable or compactable or of
         compacting easily; "This powder compacts easily"; "Such
         odd-shaped items do not pack well" [syn: {compact}]
     12: load with a pack [syn: {load down}]
     13: treat the body or any part of it by wrapping it, as with
         blankets or sheets, and applying compresses to it, or
         stuffing it to provide cover, containment, or therapy, or
         to absorb blood; "The nurse packed gauze in the wound";
         "You had better pack your swollen ankle with ice"