Meaning : An electrical device that sends or receives radio or television signals.
Synonyms : aerial, transmitting aerial
Meaning : Sensitivity similar to that of a receptor organ.
Example :
He had a special antenna for public relations.
Synonyms : feeler
Meaning : One of a pair of mobile appendages on the head of e.g. insects and crustaceans. Typically sensitive to touch and taste.
Synonyms : feeler