lead off🔊

(baseball) The first batter in the batting order.

(baseball) The first batter of an inning.

(baseball) The short distance that a player stands away from their current base.

(broadcasting) The first item in a broadcast schedule.

(off)

(baseball) To be the first batter of an inning.

(by extension) To be the first of any set, especially the first person in a group to speak; to launch or begin something by speaking.