lead-offPronunciation: (lēd'ôf", -of"), [key]
leading off or beginning: the lead-off item on the agenda.
lead•offPronunciation: (lēd'ôf", -of"), [key]
an act that starts something; start; beginning.
the player who is first in the batting order or who is first to bat for a team in an inning.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.