adj.
1.located or originating from above overhead adv.
1.above your head
2.above the head overhead n.
1.the expense of maintaining property (e.g., paying property taxes and utilities and insurance)
2.(computer science) the processing time required by a device prior to the execution of a command
3.(computer science) the disk space required for non-data information (used for location and timing)
4.a transparency for use with an overhead projector
5.(nautical) the top surface of an enclosed space on a ship
6.a hard return hitting the tennis ball above your head