(figurative) a course of action that is unproductive and offers no hope of improvement; "all the clues led the police into blind alleys"; "so far every road that we've been down has turned out to be a blind alley"
(football) a kick in which the football is dropped from the hands and kicked before it touches the ground; "the punt traveled 50 yards"; "punting is an important part of the game"
an open flat-bottomed boat used in shallow waters and propelled by a long pole
propel with a pole; "pole barges on the river"; "We went punting in Cambridge"