aviation

noun

1. (uncountable, usually)The art or science of making and flying aircraft.
2. (uncountable, usually)Flying, operating, or operation of aircraft.

   “The history of aviation is full of daring pioneers.”

   “He works in the aviation industry as a pilot.”

   “Military aviation played a crucial role in the war.”

3. (uncountable, usually)Industry that produces aircraft.
4. (collective, uncountable, usually)Aircraft.
5. (uncountable, usually)A cocktail made with gin, maraschino liqueur, crème de violette, and lemon juice.