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.
In order to watch local television stations, an antenna has to be installed. A TV antenna, also known as an aerial, works by picking up the VHF and UHF airwaves in order for viewers to catch the news, weather and local shows on their television screens.