Antenna

//ænˈtɛn.ə// noun

Definitions

Noun
  1. 1
    An appendage used for sensing on the head of an insect, crab, or other animal.

    "The overall shape of most insect antennae is elongate and cylindrical, although elaborations into plumose, lamellate, or pectinate forms have arisen many times in different insect lineages."

  2. 2
    one of a pair of mobile appendages on the head of e.g. insects and crustaceans; typically sensitive to touch and taste wordnet
  3. 3
    An apparatus to receive or transmit electromagnetic waves and convert respectively to or from an electrical signal.
  4. 4
    an electrical device that sends or receives radio or television signals wordnet
  5. 5
    The faculty of intuitive astuteness. figuratively

    "Most nurses believe they are born with an antenna of sorts, which is able to guide them through clinical practice and help them determine what is right and what is not..."

Show 3 more definitions
  1. 6
    sensitivity similar to that of a receptor organ wordnet
  2. 7
    A fragment of an oligosaccharide
  3. 8
    The spar to which a lateen sail is attached, which is then hoisted up the mast.

Etymology

From Latin antenna, antemna (“yard, sailyard; pole”). First used in this sense as a Latin word in the 15th century and as an English word by the end of the 17th century.

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