A feeler organ on the head of an insect, crab, or other animal. [from 17th c.] / An apparatus to receive or transmit electromagnetic waves and convert respectively to or from an electrical signal.

plural of antenna

plural of antenna

Having antennae.

plural of fractal antenna

An antenna that uses a fractal, self-similar design in order to increase the range of frequencies which it can receive.

(radio) A paraboloid antenna.

(radio) A microwave antenna consisting of an open waveguide of increasing size towards the aperture

Synonym of Yagi-Uda antenna

(radio) A switch allows one to select which antenna to use with a transmitter, receiver, or transceiver