Antenna

n. conductor, signal receiver; feeler, sensory organ in insects and some arthropods

Antenna may refer to: In science and engineering:Antenna (radio), the component designed to send and receive radio waves; (plural: antennas) Antenna (biology), the sensing organs of several arthropods; (plural: antennae)Antennae galaxies, the name of two colliding galaxies NGC 4038 and NGC 4039Antenna may refer to a radio telescopeAntenna, in integrated circuit design, can refer to the charge collecting behaviour of a wire during fabrication. Hence the terms antenna effect and antenna rules which describe the effect and the rules which ensure that the buildup of charge above a threshold (which can damage the oxide in the transistor gates) is prevented.
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Noun
1. an electrical device that sends or receives radio or television signals
(synonym) aerial, transmitting aerial
(hypernym) electrical device
(hyponym) dipole, dipole antenna
(part-holonym) receiver, receiving system
2. sensitivity similar to that of a receptor organ; "he had a special antenna for public relations"
(synonym) feeler
(hypernym) sensitivity, sensitiveness
3. one of a pair of mobile appendages on the head of e.g. insects and crustaceans; typically sensitive to touch and taste
(synonym) feeler
(hypernym) tentacle

n. antenna, (British) aerial; horn, feeler

(n.)
A movable, articulated organ of sensation, attached to the heads of insects and Crustacea. There are two in the former, and usually four in the latter. They are used as organs of touch, and in some species of Crustacea the cavity of the ear is situated near the basal joint. In insects, they are popularly called horns, and also feelers. The term in also applied to similar organs on the heads of other arthropods and of annelids.