The Collaborative International Dictionary of English v.0.48:

Hit \Hit\, n.
   1. A striking against; the collision of one body against
      another; the stroke that touches anything.
      [1913 Webster]

            So he the famed Cilician fencer praised,
            And, at each hit, with wonder seems amazed.
                                                  --Dryden.
      [1913 Webster]

   2. A stroke of success in an enterprise, as by a fortunate
      chance; as, he made a hit; esp. A performance, as a
      musical recording, movie, or play, which achieved great
      popularity or acclaim; also used of books or objects of
      commerce which become big sellers; as, the new notebook
      computer was a big hit with business travellers.
      [1913 Webster +PJC]

            What late he called a blessing, now was wit,
            And God's good providence, a lucky hit. --Pope.

   3. A peculiarly apt expression or turn of thought; a phrase
      which hits the mark; as, a happy hit.
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   4. A game won at backgammon after the adversary has removed
      some of his men. It counts less than a gammon.
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   5. (Baseball) A striking of the ball; as, a safe hit; a foul
      hit; -- sometimes used specifically for a base hit.
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   6. An act of murder performed for hire, esp. by a
      professional assassin.
      [PJC]

   Base hit, Safe hit, Sacrifice hit. (Baseball) See under
      Base, Safe, etc.

The Collaborative International Dictionary of English v.0.48:

Sacrifice \Sac"ri*fice\ (?; 277), n. [OE. sacrifise, sacrifice,
   F. sacrifice, fr. L. sacrificium; sacer sacred + facere to
   make. See Sacred, and Fact.]
   1. The offering of anything to God, or to a god; consecratory
      rite.
      [1913 Webster]

            Great pomp, and sacrifice, and praises loud,
            To Dagon.                             --Milton.
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   2. Anything consecrated and offered to God, or to a divinity;
      an immolated victim, or an offering of any kind, laid upon
      an altar, or otherwise presented in the way of religious
      thanksgiving, atonement, or conciliation.
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            Moloch, horrid king, besmeared with blood
            Of human sacrifice.                   --Milton.
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            My life, if thou preserv'st my life,
            Thy sacrifice shall be.               --Addison.
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   3. Destruction or surrender of anything for the sake of
      something else; devotion of some desirable object in
      behalf of a higher object, or to a claim deemed more
      pressing; hence, also, the thing so devoted or given up;
      as, the sacrifice of interest to pleasure, or of pleasure
      to interest.
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   4. A sale at a price less than the cost or the actual value.
      [Tradesmen's Cant]
      [1913 Webster]

   Burnt sacrifice. See Burnt offering, under Burnt.

   Sacrifice hit (Baseball), in batting, a hit of such a kind
      that the batter loses his chance of tallying, but enables
      one or more who are on bases to get home or gain a base.
      [1913 Webster]