1. An electrical device that sends or receives radio or television signals (synset 102718140)
  2. Sensitivity similar to that of a receptor organ (synset 104850501)
    "he had a special antenna for public relations"
  3. One of a pair of mobile appendages on the head of e.g. insects and crustaceans;
    Typically sensitive to touch and taste (synset 102587546)

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