from
The Collaborative International Dictionary of English v.0.48
Leading \Lead"ing\, a.
Guiding; directing; controlling; foremost; as, a leading
motive; a leading man; a leading example. -- {Lead"ing*ly},
adv.
[1913 Webster]
{Leading case} (Law), a reported decision which has come to
be regarded as settling the law of the question involved.
--Abbott.
{Leading motive} [a translation of G. leitmotif] (Mus.), 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} (Mus.), 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.
[1913 Webster]