leadoff
adjective C2- Beginning something by leading the way, e.g. being the first batter in an inning · The leadoff batter began the inning with a double, setting a good example for the following players.
Learn leadoff in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.