Source : Webster's Revised Unabridged Dictionary (1913)

Par \Par\, n.
   1. An amount which is taken as an average or mean. [Eng.]

   2. (Golf) The number of strokes required for a hole or a
      round played without mistake, two strokes being allowed on
      each hole for putting. Par represents perfect play,
      whereas bogey makes allowance on some holes for human
      frailty. Thus if par for a course is 75, bogey is usually
      put down, arbitrarily, as 81 or 82.

Par \Par\, n. (Zo["o]l.)
   See {Parr}.

Par \Par\, prep. [F., fr. L. per. See {Per}.]
   By; with; -- used frequently in Early English in phrases
   taken from the French, being sometimes written as a part of
   the word which it governs; as, par amour, or paramour; par
   cas, or parcase; par fay, or parfay.

Par \Par\, n. [L. par, adj., equal. See {Peer} an equal.]
   1. Equal value; equality of nominal and actual value; the
      value expressed on the face or in the words of a
      certificate of value, as a bond or other commercial paper.

   2. Equality of condition or circumstances.

   {At par}, at the original price; neither at a discount nor at
      a premium.

   {Above par}, at a premium.

   {Below par}, at a discount.

   {On a par}, on a level; in the same condition, circumstances,
      position, rank, etc.; as, their pretensions are on a par;
      his ability is on a par with his ambition.

   {Par of exchange}. See under {Exchange}.

   {Par value}, nominal value; face value.

Source : WordNet®

par
     n 1: (golf) the standard number of strokes set for each hole on a
          golf course, or for the entire course; "a par-5 hole";
          "par for this course is 72"
     2: a state of being essentially equal or equivalent; equally
        balanced; "on a par with the best" [syn: {equality}, {equivalence},
         {equation}]

par
     v : make a score (on a hole) equal to par