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

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

A bright red, poisonous oxide of lead, Pb₃O₄, used as a pigment and in glass and ceramics. / (military slang, dated) Tomato ketchup.

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

(music) A singer (or one of a small group of singers) who provides lead vocals to a song

(chemistry) A poorly-characterized oxide of lead, Pb₂O; it is a black, amorphous solid

(chemistry) lead acetate

Sugar of lead.

Lead (the metal) that is sufficiently pure to be used in making white lead by a process of corroding.

(music) A form of written music that specifies the melody, lyrics, and harmony.