1 Baseball (of a batter) gently tap (a pitched ball) without swinging in an attempt to make it more difficult to field:he tried to bunt the ball down the first baseline [no object]:Phil bunted and got to first
(of a batter) help (a base runner) to progress to a further base by bunting a ball:he bunted Davis to third
2push or butt:Gary bunted her with his head
1 Baseball an act or result of bunting a pitched ball.
2an act of flying an aircraft in part of an outside loop.
mid 18th century: probably related to the noun butt1 (the original sense)