The Collaborative International Dictionary of English v.0.48:

Golf \Golf\ (g[o^]lf), n. [D. kolf club or bat, also a Dutch
   game played in an inclosed area with clubs and balls; akin to
   G. kolben club, but end, Icel. k?lfr tongue of a bell. bolt,
   Sw. kolf bolt, dart, but end, Dan. kolv bolt, arrow. Cf.
   Club, Globe.]
   A game played with a small ball and a bat or club crooked at
   the lower end. He who drives the ball into each of a series
   of small holes in the ground and brings it into the last hole
   with the fewest strokes is the winner. [Scot.] --Strutt.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Golf \Golf\, v. i. [imp. & p. p. Golfed; p. pr. & vb. n.
   Golfing.]
   To play at golf.

         Last mystery of all, he learned to golf. --Kipling.
   [Webster 1913 Suppl.] golfcart

WordNet (r) 3.0 (2006):

golf
    n 1: a game played on a large open course with 9 or 18 holes;
         the object is use as few strokes as possible in playing all
         the holes [syn: golf, golf game]
    v 1: play golf