📖 WordNook

overhead

adverb
  1. above the head
  2. above your head
adjective
  1. located or originating from above
    “an overhead crossing”
noun
  1. a hard return hitting the tennis ball above your head
    smash
  2. (nautical) the top surface of an enclosed space on a ship
  3. a transparency for use with an overhead projector
  4. (computer science) the disk space required for information that is not data but is used for location and timing
    disk overhead
  5. the expense of maintaining property, e.g., property taxes, utilities and insurance
    “They could no longer afford the overhead on the family farm.”
    operating expenseoperating costbudget items
  6. (computer science) the processing time required by a device prior to the execution of a command
    command processing overhead time