1. One that fits a head on an object. 2. One that removes a head from an object, especially a machine that reaps the heads of grain and passes them into a wagon or receptacle. 3. A pipe that serves as a central connection for two or more smaller pipes. 4. A floor or roof beam placed between two long beams that supports the ends of the tailpieces. 5. A brick laid across rather than parallel with a wall. 6. A headlong dive or fall. 7. A pass or shot made in soccer by heading the ball. 8. Printed matter or information, such as a title, date, or page number, positioned in the top margin of a page and usually repeated throughout a document, especially a document composed on a word-processing system. 9. A raised tank or hopper that maintains a constant pressure or supply to a system, especially the small tank that supplies water to a central heating system.