Source : Webster's Revised Unabridged Dictionary (1913)

Strike \Strike\, n.
   1. A sudden finding of rich ore in mining; hence, any sudden
      success or good fortune, esp. financial.

   2. (Bowling, U. S.) Act of leveling all the pins with the
      first bowl; also, the score thus made. Sometimes called
      {double spare}.

   3. (Baseball) Any actual or constructive striking at the
      pitched ball, three of which, if the ball is not hit
      fairly, cause the batter to be put out; hence, any of
      various acts or events which are ruled as equivalent to
      such a striking, as failing to strike at a ball so pitched
      that the batter should have struck at it.

   4. (Tenpins) Same as {Ten-strike}.