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English word:    

overhead

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overhead in WordNet English dictionary

noun
  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
    operating expense  operating cost  overhead  budget items 
  2. (computer science) the processing time required by a device prior to the execution of a command
    command processing overhead time  command processing overhead  command overhead  overhead 
  3. (computer science) the disk space required for information that is not data but is used for location and timing
    disk overhead  overhead 
  4. a hard return hitting the tennis ball above your head
    overhead  smash 
  5. (nautical) the top surface of an enclosed space on a ship
    overhead 
  6. a transparency for use with an overhead projector
    viewgraph  overhead 
adjective
  1. located or originating from above
    "an overhead crossing"
    overhead 
adverb
  1. above the head; over the head
    "bring the legs together overhead"
    overhead  overhead 
  2. above your head; in the sky
    "planes were flying overhead"
    overhead  overhead 
WordNet Lexical Database v3.0, © 2006 Princeton University