Adjective overhead has 1 sense
  1. overhead - located or originating from above; "an overhead crossing"
    Antonyms:
    surface, aboveground, grade-constructed, opencast, opencut, subsurface, belowground, underground, submarine, undersea, submerged, submersed, underwater, subterranean, subterraneous
,Adverbial overhead has 2 senses
  1. overhead - above your head; in the sky; "planes were flying overhead"
  2. overhead - above the head; over the head; "bring the legs together overhead"
,Noun overhead has 6 senses
  1. operating expense, operating cost, overhead, budget items - 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
    --1 is a kind of expense, disbursal, disbursement
    --1 is a part of operating budget
  2. command processing overhead time, command processing overhead, command overhead, overhead - (computer science) the processing time required by a device prior to the execution of a command
    --2 is a kind of processing time
    --2 is a part of access time
  3. disk overhead, overhead - (computer science) the disk space required for non-data information (used for location and timing)
    --3 is a kind of disk space, disc space
  4. viewgraph, overhead - a transparency for use with an overhead projector
    --4 is a kind of foil, transparency
  5. overhead - (nautical) the top surface of an enclosed space on a ship
    --5 is a kind of
    ceiling
    --5 is a part of cabin
  6. overhead, smash - a hard return hitting the tennis ball above your head
    --6 is a kind of return
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