Source : Webster's Revised Unabridged Dictionary (1913)

Toss \Toss\, n.
   1. A throwing upward, or with a jerk; the act of tossing; as,
      the toss of a ball.

   2. A throwing up of the head; a particular manner of raising
      the head with a jerk. --Swift.

Toss \Toss\, v. i.
   1. To roll and tumble; to be in violent commotion; to write;
      to fling.

            To toss and fling, and to be restless, only frets
            and enreges our pain.                 --Tillotson.

   2. To be tossed, as a fleet on the ocean. --Shak.

   {To toss for}, to throw dice or a coin to determine the
      possession of; to gamble for.

   {To toss up}, to throw a coin into the air, and wager on
      which side it will fall, or determine a question by its
      fall. --Bramsion.

Toss \Toss\, v. t. [imp. & p. p. {Tossed} ; (less properly
   {Tost} ); p. pr. & vb. n. {Tossing}.] [ W. tosiaw, tosio, to
   jerk, toss, snatch, tosa quick jerk, a toss, a snatch. ]
   1. To throw with the hand; especially, to throw with the palm
      of the hand upward, or to throw upward; as, to toss a
      ball.

   2. To lift or throw up with a sudden or violent motion; as,
      to toss the head.

            He tossed his arm aloft, and proudly told me, He
            would not stay.                       --Addison.

   3. To cause to rise and fall; as, a ship tossed on the waves
      in a storm.

            We being exceedingly tossed with a tempeat. --Act
                                                  xxvii. 18.

   4. To agitate; to make restless.

            Calm region once, And full of peace, now tossed and
            turbulent.                            --Milton.

   5. Hence, to try; to harass.

            Whom devils fly, thus is he tossed of men.
                                                  --Herbert.

   6. To keep in play; to tumble over; as, to spend four years
      in tossing the rules of grammar. [Obs.] --Ascham.

   {To toss off}, to drink hastily.

   {To toss the cars}.See under Oar, n.

Source : WordNet®

toss
     v 1: throw or toss with a light motion; "flip me the beachball";
          "toss me newspaper" [syn: {flip}, {sky}, {pitch}]
     2: lightly throw to see which side comes up; "I don't know what
        to do--I may as well flip a coin!" [syn: {flip}]
     3: throw carelessly; "chuck the ball" [syn: {chuck}]
     4: move or stir about violently; "The feverish patient thrashed
        around in his bed" [syn: {convulse}, {thresh}, {thresh
        about}, {thrash}, {thrash about}, {slash}, {jactitate}]
     5: throw or cast away; "Put away your worries" [syn: {discard},
         {fling}, {toss out}, {toss away}, {chuck out}, {cast
        aside}, {dispose}, {throw out}, {cast out}, {throw away},
        {cast away}, {put away}]
     6: agitate; "toss the salad"

toss
     n 1: the act of flipping a coin [syn: {flip}]
     2: (sports) the act of throwing the ball to another member of
        your team; "the pass was fumbled" [syn: {pass}, {flip}]
     3: an abrupt movement; "a toss of his head"

Source : Free On-Line Dictionary of Computing

TOSS
     
        {Terminal Oriented Social Science}