Source : Webster's Revised Unabridged Dictionary (1913)

Dribbler \Drib"bler\, n.
   One who dribbles.

Source : WordNet®

dribbler
     n 1: a basketball player who is dribbling the ball to advance it
     2: a person who dribbles; "that baby is a dribbler; he needs a
        bib" [syn: {driveller}, {slobberer}, {drooler}]