[1] : The Collaborative International Dictionary of English v.0.48

aviation \a`via"tion\, n.
   the art or science of flying.
   1913 webster

[2] : WordNet (r) 2.0

aviation
     n 1: the aggregation of a country's military aircraft syn: air
          power
     2: the operation of aircraft to provide transportation
     3: the art of operating aircraft syn: airmanship
     4: travel via aircraft; "air travel involves too much waiting
        in airports"; "if you've time to spare go by air" syn: air
        travel, air
see also:
air power airmanship air travel air 

Aviation >> A Words
Aviation, definition of term: Aviation
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