Antenna - Definition

n 1: an electrical device that sends or receives radio or
television signals [syn: antenna, aerial, transmitting
aerial]
2: sensitivity similar to that of a receptor organ; "he had a
special antenna for public relations" [syn: antenna,
feeler]
3: one of a pair of mobile appendages on the head of e.g.
insects and crustaceans; typically sensitive to touch and
taste [syn: antenna, feeler]