Main Entry: head·er

Pronunciation: \ˈhe-dər\

Function: noun

Date: 15th century

1 : one that removes heads; especially : a grain-harvesting machine that cuts off the grain heads and elevates them to a wagon
2 a : a brick or stone laid in a wall with its end toward the face of the wall b : a beam fitted at one side of an opening to support free ends of floor joists, studs, or rafters c : a horizontal structural or finish piece over an opening : lintel d : a conduit (as an exhaust pipe for a many-cylindered engine) into which a number of smaller conduits open e : a mounting plate through which electrical terminals pass from a sealed device (as a transistor)
3 : a fall or dive headfirst <took a header into the pool>
4 : a shot or pass in soccer made by heading the ball
5 : head 15a(1)