(idiomatic) in first place in a contest

(transitive, idiomatic) to mislead, to try to make someone believe a lie. / (transitive, idiomatic) to encourage with the illusion of a romantic relationship.

(slang) A state of erection of one's penis. / Used other than figuratively or idiomatically: see lead, pencil.

(obsolete, nautical) To fill the hollow in the bottom of a sounding lead with tallow in order to discover the nature of the bottom by the substances adhering.

(now historical) The metal lead. / Graphite, especially as used in pencils. / (countable) A graphite pencil.

(idiomatic) To become the leader, to advance into first place. / (idiomatic) To assume leadership over a group.

Containing no lead. / (of petroleum) Containing no tetraethyl lead; unleaded.

In rock music, an electric guitar that plays soloistically, usually playing melodically as opposed to strumming chords; supported by the rhythm guitar.

(dated) Synonym of flerovium

(idiomatic) The amount of time between the initiation of some process and its completion, e.g. the time required to manufacture or procure a product; the time required before something can be provided or delivered.