(music) The primary words of a song, sung by the lead vocalist to the same tune as the primary melody

(chemistry) lead acetate

Of or pertaining to the leading edge of an airfoil / (by extension) leading, latest or most up-to-date

(aeronautics) The frontmost edge of a wing or other airfoil of an aircraft; sometimes contains slots or slats / (by extension) The foremost part of a trend etc; a vanguard

unrefined lead, cast in blocks called pigs

Used other than figuratively or idiomatically: see lead, out. / (poker slang) To bet into a pot postflop from the first betting position.

Alternative form of lead-out

(inorganic chemistry) A yellow oxide of lead, PbO, used in the manufacture of paints and glass.

(printing, historical, transitive) To pad out (text) by inserting lead slugs between words.

Small balls of lead, used as projectiles in shotguns, and as a weight in angling etc