1. One who, or that which, heads nails, rivets, etc., esp. a machine for heading.
2. One who heads a movement, a party, or a mob; head; chief; leader. [R.]
3. Arch. (a) A brick or stone laid with its shorter face or head in the surface of the wall. (b) In framing, the piece of timber fitted between two trimmers, and supported by them, and carrying the ends of the tailpieces.
4. A reaper for wheat, that cuts off the heads only.
n 1: a line of text serving to indicate what the passage below it
is about; "the heading seemed to have little to do with
the text" [syn: heading, head]
2: horizontal beam used as a finishing piece over a door or
window [syn: lintel]
3: brick that is laid sideways at the top of a wall [syn: coping,
4: a framing member crossing and supporting the ends of joists,
studs, or rafters so as to transfer their weight to
parallel joists, studs, or rafters
5: a machine that cuts the heads off grain and moves them into
6: (soccer) the act of hitting the ball with your head
7: a headlong jump (or fall); "he took a header into the