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English definition of “antenna”

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antenna

noun uk   /ænˈten.ə/ us  

antenna noun (ORGAN)

[C] ( plural antennae   /-iː/   ) either of a pair of long, thin organs that are found on the heads of insects and crustaceans (= animals with hard outer shells) and are used to feel with

antenna noun (NOTICING)

[C usually plural] ( plural antennae or antennas) the natural ability to notice things and understand their importance: Her finely-tuned political antennae helped her to sense problems that less experienced politicians might not detect.

antenna noun (PART OF RADIO)

[C] ( plural antennas) mainly US an aerial noun
(Definition of antenna from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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