Source : Webster's Revised Unabridged Dictionary (1913)

Punter \Punt"er\, n. (London Stock Exchange)
   A scalper.

Punter \Punt"er\, n.[Cf. F. ponte. See {Punt}, v. t.]
   One who punts; specifically, one who plays against the banker
   or dealer, as in baccara and faro. --Hoyle.

Punter \Punt"er\, n.
   One who punts a football; also, one who propels a punt.

Source : WordNet®

punter
     n 1: someone who propels a boat with a pole
     2: (football) a person who kicks the football by dropping it
        from the hands and contacting it with the foot before it
        hits the ground
     3: someone who bets [syn: {bettor}, {better}, {wagerer}]