- a person or thing that removes or puts a head on something.
- a reaping machine that cuts off and gathers only the heads of the grain.
- a chamber to which the ends of a number of tubes are connected so that water or steam may pass freely from one tube to the other.
- Automotive. an exhaust manifold.
- Building Trades.
- a brick or stone laid in a wall or the like so that its shorter ends are exposed or parallel to the surface.Compare stretcher(def 5).
- 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.
- Informal. a plunge or dive headfirst, as into water: He stumbled and took a header into the ditch.
- Soccer. a pass or shot made by heading the ball.
- a sign that is part of or attached to the top of a rack displaying merchandise.
- Computers. a line of information placed at the top of a page for purposes of identification.
- Also called: header tank a reservoir, tank, or hopper that maintains a gravity feed or a static fluid pressure in an apparatus
- a manifold for distributing a fluid supply amongst a number of passages
- a machine that trims the heads from castings, forgings, etc, or one that forms heads, as in wire, to make nails
- a person who operates such a machine
- a brick or stone laid across a wall so that its end is flush with the outer surfaceCompare stretcher (def. 5)
- the action of striking a ball with the head
- informal a headlong fall or dive
- a block of data on a tape or disk providing information about the size, location, etc, of a file
- (as modifier)header card; header label
- dialect a mentally unbalanced person
“head-first dive or plunge,” 1849, from head (n.); as a type of pass or shot with the head in soccer, by 1906.