Source : Webster's Revised Unabridged Dictionary (1913)

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.

Tost \Tost\,
   imp. & p. p. of Toss.