Definition of illegal sometimes disparaging + offensive : a person who enters or lives in a country without the documentation required for legal entry or residence
aerial noun [C]. âº a âstructure made of âmetal ârods or âwires that âreceives or âsends out âradio or âtelevision âsignals.
everything that flies is aviation. For example, airplanes, blimps, helicopters,etc. Aviation is the design, development, production, operation, and use of aircraft, especially â¦ heavier-than-air aircraft. A general term including the science and technology of flight through the air.