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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 an·ten·na /ænˈtɛnə/

From: Network Terminology


From: Webster's Revised Unabridged Dictionary (1913)

 An·ten·na n.; pl. Antennæ
 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.

From: WordNet (r) 2.0

      n 1: an electrical device that sends or receives radio or
           television signals [syn: aerial, transmitting aerial]
      2: sensitivity similar to that of a receptor organ; "he had a
         special antenna for public relations" [syn: feeler]
      3: one of a pair of mobile appendages on the head of e.g.
         insects and crustaceans; typically sensitive to touch and
         taste [syn: feeler]
      [also: antennae (pl)]