The Collaborative International Dictionary of English v.0.48:

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.
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   2. To lift or throw up with a sudden or violent motion; as,
      to toss the head.
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            He tossed his arm aloft, and proudly told me,
            He would not stay.                    --Addison.
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   3. To cause to rise and fall; as, a ship tossed on the waves
      in a storm.
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            We being exceedingly tossed with a tempest. --Act
                                                  xxvii. 18.
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   4. To agitate; to make restless.
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            Calm region once,
            And full of peace, now tossed and turbulent.
                                                  --Milton.
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   5. Hence, to try; to harass.
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            Whom devils fly, thus is he tossed of men.
                                                  --Herbert.
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   6. To keep in play; to tumble over; as, to spend four years
      in tossing the rules of grammar. [Obs.] --Ascham.
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   To toss off,
      (a) to drink hastily.
      (b) to accomplish easily or quickly.
      (c) to say in an offhand manner; as, to toss off a
          comment.
      (d) to masturbate; -- British slang.

   To toss the cars.See under Oar, n.
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The Collaborative International Dictionary of English v.0.48:

Tost \Tost\,
   imp. & p. p. of Toss.
   [1913 Webster]