Webster's Revised Unabridged Dictionary · 1913

Leading

Leading , adjective

Guiding; directing; controlling; foremost; as, a leading motive; a leading man; a leading example.
Collocations (7)
Leading case (Law) , a reported decision which has come to be regarded as settling the law of the question involved. — Abbott
Leading motive (Music) , a guiding theme; in the musical drama of Wagner, a marked melodic phrase or short passage which always accompanies the reappearance of a certain person, situation, abstract idea, or allusion in the course of the play; a sort of musical label. Also called leitmotif or leitmotiv.
Leading note (Music) , the seventh note or tone in the ascending major scale; the sensible note.
Leading question , a question so framed as to guide the person questioned in making his reply.
Leading strings , strings by which children are supported when beginning to walk.
To be in leading strings , to be in a state of infancy or dependence, or under the guidance of others.
Leading wheel , a wheel situated before the driving wheels of a locomotive engine.

Leading , noun

1.
The act of guiding, directing, governing, or enticing; guidance. — Shakespeare
2.
Suggestion; hint; example. [Archaic] — Bacon