noun

• (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).
• (countable, nautical) A plummet or mass of lead attached to a line, used in sounding depth at sea or (dated) to estimate velocity in knots.
• (uncountable, typography) Vertical space in advance of a row or between rows of text. Also known as leading.
  "This copy has too much lead; I prefer less space between the lines."
• (countable) A roof covered with lead sheets or terne plates.
  "I would have the tower two stories, and goodly leads upon the top."

verb

• (transitive) To cover, fill, or affect with lead.
  "continuous firing leads the grooves of a rifle."
• (transitive, printing, historical) To place leads between the lines of.
  "to lead a page"

verb

• (heading, transitive) To guide or conduct.
  "a father leads a child"
• (heading, transitive) To guide or conduct.
  "The guide was able to lead the tourists through the jungle safely."
• (heading, transitive) To guide or conduct.
  "A good teacher should lead their students to the right answer."
• (heading, transitive) To guide or conduct.
  "to lead a political party"

noun

• (countable) The act of leading or conducting; guidance; direction, course
  "to take the lead"
• (countable) Precedence; advance position; also, the measure of precedence; the state of being ahead in a race; the highest score in an incomplete game.
  "the white horse had the lead."
• (UK, countable) An insulated metallic wire for electrical devices and equipment.
• (baseball) The situation where a runner steps away from a base while waiting for the pitch to be thrown.
  "The runner took his lead from first."