overhead (adj.)

  1. located or originating from above; an overhead crossing'

    overhead (n.)

  1. the expense of maintaining property (e.g., paying property taxes and utilities and insurance); it does not include depreciation or the cost of financing or income taxes

    [ Syn: operating expense , operating cost , budget items ]

  2. (computer science) the processing time required by a device prior to the execution of a command

    [ Syn: command processing overhead time , command processing overhead , command overhead ]

  3. (computer science) the disk space required for information that is not data but is used for location and timing

    [ Syn: disk overhead ]

  4. a transparency for use with an overhead projector

    [ Syn: viewgraph ]

  5. (nautical) the top surface of an enclosed space on a ship

  6. a hard return hitting the tennis ball above your head

    [ Syn: smash ]

    overhead (adv.)

  1. above your head; in the sky; planes were flying overhead'

  2. above the head; over the head; bring the legs together overhead'

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.