Source : Webster's Revised Unabridged Dictionary (1913)

Bout \Bout\, n. [A different spelling and application of bought
   bend.]
   1. As much of an action as is performed at one time; a going
      and returning, as of workmen in reaping, mowing, etc.; a
      turn; a round.

            In notes with many a winding bout Of linked
            sweetness long drawn out.             --Milton.

            The prince . . . has taken me in his train, so that
            I am in no danger of starving for this bout.
                                                  --Goldsmith.

   2. A conflict; contest; attempt; trial; a set-to at anything;
      as, a fencing bout; a drinking bout.

            The gentleman will, for his honor's sake, have one
            bout with you; he can not by the duello avoid it.
                                                  --Shak.

Source : WordNet®

bout
     n 1: (sports) a period of play during which one team is on the
          offensive [syn: {turn}, {round}]
     2: a boxing match; "the fight was on television last night"
        [syn: {fight}]
     3: an occasion for excessive eating or drinking; "they went on
        a bust that lasted three days" [syn: {bust}, {tear}, {binge}]