[n] the activity of leading; "his leadership inspired the team"
[n] thin strip of metal used to separate lines of type in printing
[adj] going or proceeding or going in advance; showing the way; "we rode in the leading car"; "the leading edge of technology"
[adj] purposefully formulated to elicit a desired response; "a leading question"
[adj] having the leading position or higher score in a contest; "he is ahead by a pawn"; "the leading team in the pennant race"