The DICT Development Group

  Spar \Spar\, v. t. [OE. sparren, AS. sparrian; akin to G.
     sperren, Icel. sperra; from the noun. [root]171. See Spara
     beam, bar.]
     1. To bolt; to bar. [Obs.] --Chaucer.
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     2. To To supply or equip with spars, as a vessel.
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     Note: A vessel equipped with spars that are too large or too
           small is said to be oversparred or undersparred.
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  spar \spar\ (sp[aum]r), n. [AS. spaer in spaerst[=a]n
     chalkstone; akin to MHG. spar, G. sparkalk plaster.] (Min.)
     An old name for a nonmetallic mineral, usually cleavable and
     somewhat lustrous; as, calc spar, or calcite, fluor spar,
     etc. It was especially used in the case of the gangue
     minerals of a metalliferous vein.
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     Blue spar, Cube spar, etc. See under Blue, Cube, etc.
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  Spar \Spar\, v. i. [imp. & p. p. Sparred; p. pr. & vb. n.
     Sparring.] [Of uncertain origin; cf. OF. esparer to kick,
     F. ['e]parer, or Icel. sperra to stretch out the legs, to
     struggle.]
     1. To strike with the feet or spurs, as cocks do.
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     2. To use the fists and arms scientifically in attack or
        defense; to contend or combat with the fists, as for
        exercise or amusement; to box.
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              Made believe to spar at Paul with great science.
                                                    --Dickens.
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     3. To contest in words; to wrangle. [Colloq.]
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  Spar \Spar\, n. [OE. sparre; akin to D. spar, G. sparren, OHG.
     sparro, Dan. & Sw. sparre, Icel. sparri; of uncertain origin.
     [root]171. Cf. Spar, v. t. ]
     1. (Naut.) A general term any round piece of timber used as a
        mast, yard, boom, or gaff.
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     2. (Arch.) Formerly, a piece of timber, in a general sense;
        -- still applied locally to rafters.
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     3. The bar of a gate or door. [Obs.] --Chaucer.
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     Spar buoy (Naut.), a buoy anchored by one end so that the
        other end rises above the surface of the water.
  
     Spar deck (Naut.), the upper deck of a vessel; especially,
        in a frigate, the deck which is continued in a straight
        line from the quarter-deck to the forecastle, and on which
        spare spars are usually placed. See under Deck.
  
     Spar torpedo (Naut.), a torpedo carried on the end of a
        spar usually projecting from the bow of a vessel, and
        intended to explode upon contact with an enemy's ships.
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  Spar \Spar\, n.
     1. A contest at sparring or boxing.
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     2. A movement of offense or defense in boxing.
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