Held in place by strips of lead. / Containing or treated with the element lead. / Containing tetraethyllead. / (informal) Caffeinated.

simple past tense and past participle of lead

That portion of a firearm's barrel immediately in front of the chamber where the bullet travels prior to contacting the rifling.

plural of leade

(uncountable) A heavy, pliable, inelastic metal element, having a bright, bluish color, but easily tarnished; both malleable and ductile, though with little tenacity. It is easily fusible, forms alloys with other metals, and is an ingredient of solder and type metal. Atomic number 82, symbol Pb (from Latin plumbum).

(transitive) To cover, fill, or affect with lead. / (transitive, printing, historical) To place leads between the lines of.

(countable) The act of leading or conducting; guidance; direction, course

(not comparable) Foremost. / Main, principal.

present participle of lead

Providing guidance or direction. / Ranking first. / Occurring in advance; preceding.