Antenna

Definition of Antenna

An`ten´na
n.1.(Zool.) 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.
2.(Electronics) A metallic device, variously shaped, designed for the purpose of either transmitting or receiving radio waves, as for radio or television broadcasting, or for transmitting communication signals. Some types are: whip antenna, antenna tower, horn antenna, dish antenna, directional antenna and rabbit ears. See transmitter, receiver.

Related Words

aerials, barb, barbel, barbule, bedspring type, cat whisker, directional antenna, dish, doublet, feed-and-reflector unit, feeler, mast, mattress type, palp, palpus, reflector, rhombic antenna, scanner, strike radar scanner, tactile cell, tactile corpuscle, tactile hair, tactile organ, tactile process, tactor, tower, transmitting antenna, vibrissa, wave antenna
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Antecians
Antecommunion
Antecursor
Antedate
Antediluvial
antediluvian
Antedon
Antedonidae
antefact
Antefix
Anteflexion
Antelope
Antelucan
Antemeridian
Antemetic
Antemosaic
Antemundane
Antemural
Antenatal
Antenicene
-Antenna-
Antennal
Antenniferous
Antenniform
Antennule
Antenumber
Antenuptial
Anteorbital
Antepaschal
Antepast
Antependium
Antepenult
Antepenultimate
Antephialtic
Antepileptic
Antepone
Anteport
Anteportico
Anteposition
Anteprandial
Antepredicament
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