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.
noun. 1  The definition of antennae are wires that receive and conduct electromagnetic waves, typically to transmit information. 2  In zoology, antennae are defined as the long pair of appendages on the head of an arthropod which are used to sense the environment.