double spare

Strike \Strike\, n.
   1. The act of striking.
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   2. An instrument with a straight edge for leveling a measure
      of grain, salt, and the like, scraping off what is above
      the level of the top; a strickle.
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   3. A bushel; four pecks. [Prov. Eng.] --Tusser.
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   4. An old measure of four bushels. [Prov. Eng.]
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   5. Fullness of measure; hence, excellence of quality.
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            Three hogsheads of ale of the first strike. --Sir W.
                                                  Scott.
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   6. An iron pale or standard in a gate or fence. [Obs.]
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   7. The act of quitting work; specifically, such an act by a
      body of workmen, usually organized by a labor union, done
      as a means of enforcing compliance with demands made on
      their employer.
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            Strikes are the insurrections of labor. --F. A.
                                                  Walker.
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   8. (Iron Working) A puddler's stirrer.
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   9. (Geol.) The horizontal direction of the outcropping edges
      of tilted rocks; or, the direction of a horizontal line
      supposed to be drawn on the surface of a tilted stratum.
      It is at right angles to the dip.
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   10. The extortion of money, or the attempt to extort money,
       by threat of injury; blackmailing.
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   11. A sudden finding of rich ore in mining; hence, any sudden
       success or good fortune, esp. financial.
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   12. (Bowling, U. S.) The act of leveling all the pins with
       the first bowl; also, the score thus made. Sometimes
       called {double spare}. Throwing a strike entitles the
       player to add to the score for that frame the total
       number of pins knocked down in the next two bowls.
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   13. (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. "It's
       one, two, three strikes you're out in the old ball game."
       --[Take me out to the ball game]
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   14. (Tenpins) Same as {Ten-strike}.
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   {Strike block} (Carp.), a plane shorter than a jointer, used
      for fitting a short joint. --Moxon.

   {Strike of flax}, a handful that may be hackled at once.
      [Obs. or Prov. Eng.] --Chaucer.

   {Strike of sugar}. (Sugar Making)
       (a) The act of emptying the teache, or last boiler, in
           which the cane juice is exposed to heat, into the
           coolers.
       (b) The quantity of the sirup thus emptied at once.
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