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antenna

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antenna/ænˈtɛnə/noun
pluralantennae/-ni//ænˈtɛni/orantennas
antenna
/ænˈtɛnə/
noun
pluralantennae/-ni//ænˈtɛni/orantennas
Learner's definition of ANTENNA  
[count]
: a thin sensitive organ on the head of an insect, crab, etc., that is used mainly to feel and touch things
◊ The plural of antenna in this sense is usually antennae.
— sometimes used figuratively
chiefly US  : a device (such as a wire or a metal rod) for sending or receiving radio or television signals
◊ The plural of antenna in this sense is usually antennas.
— see picture at car
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