Definition of antenna in English:

antenna

noun

  • 1Zoology
    Either of a pair of long, thin sensory appendages on the heads of insects, crustaceans, and some other arthropods.

    ‘bugs use their antennae to detect blood heat’
    • ‘It was a female, as evidenced by its plump, rounded abdomen and thin antennae.’
    • ‘Without claws, spiny lobsters use their antennae to fend off predators.’
    • ‘In these fossils, detail of legs, antennae, wings, and even small body hairs are preserved.’
    • ‘The only appendages that all crustaceans have in common is two pairs of antennae.’
    • ‘Lurking in these holes, the ants grab the legs and antennae of unsuspecting insects.’
    antenna, tentacle, horn
    View synonyms
    1. 1.1The faculty of instinctively detecting and interpreting subtle signs.
      ‘he has the political antennae of a party whip’
      • ‘The subliminal message would have registered on the sensitive antennae of bible belt America, while agnostics would have noticed nothing.’
      • ‘The ignorant president who reputedly cares nothing for the sensitivities of other cultures is shown to have diplomatic antennae.’
      • ‘They can suss out a person and have a natural antennae.’
      • ‘In each case he has used his considerable speaking abilities and his acute political antennae to confront the allegations head on.’
      • ‘Peter Stringer has occasionally been charged with a lack of extravagance behind the scrum, but his antennae are never down.’
      • ‘And while he has the political antennae to know what was being said about him, he has long given the impression that he doesn't give a damn.’
      • ‘You'd think he'd have known better, maybe would have had antennae for this.’
      • ‘Though social barriers may have been lowered, our social antennae have not.’
      • ‘But it is where the government has rushed, unprepared, political antennae wobbling, that it has fallen into error.’
      • ‘Aware of all this, Campbell's antennae were not tuned in.’
      • ‘His antennae are sharply attuned to such shifts.’
      • ‘I'd trust politicians, who, whatever their faults, have finely tuned antennae for the flow of events.’
      • ‘But Melissa writes for the Guardian, and Guardian writers have different sensual antennae to the rest of us.’
      • ‘Abu Mustafa, whose antennae were particularly sensitive, said he didn't think it was a wonderful idea.’
      • ‘He possessed both an indomitable will and supersensitive antennae attuned to the political airways.’
      • ‘And all the folks who have antennae for political magic are all a-twitter over him.’
      • ‘None of that will have escaped the acute political antennae of the member for Airdrie and Shotts, John Reid, the home secretary.’
      • ‘Rusk insists they'd never have such acute antennae for the cutting edge without his wife Louise's talent for creating new looks.’
  • 2North American technical

    ‘a TV antenna’
    another term for aerial
    • ‘Wireless calls can be received by a number of different antennas miles away from the caller.’
    • ‘To this day, Russian spacecraft tend to use separate antennas for each communications function.’
    • ‘The interference involves a number of television antennas often used on boats.’
    • ‘Dish antennas now receive more than fifty television channels via satellite signals.’
    • ‘Installation of the antennas and their associated cabling took about two hours.’
    • ‘With the hilly terrain between the two antennas, the signal would encounter severe attenuation.’
    • ‘The plan was to build local telecommunications networks using antennas on customer buildings.’
    • ‘Those antennas are used as part of the U.S. Coast Guard communication system and have been for years.’
    • ‘Avoid contact with power lines connected to the house and with television antennas.’
    • ‘We need agile radios whose antennas can point to other agile radios and not spread radio waves in every direction.’
    • ‘Their mission changed from checking radios to checking the mounts and antennas.’
    • ‘We suppose they are radio antennas beaming away their signal into the low grey sky.’
    • ‘And on the roof there was a red and blue light bar with a whole slew of antennas sticking out from the top.’
    • ‘Radio tags on the market use bulky external antennas and cost about 30 cents and up.’
    • ‘It's a touch ugly, to be honest, with three external antennas on top of a small grey box.’
    • ‘There were no cable lines connected to the house, no antennas mounted on the roof, and no satellite in the yard.’
    • ‘Scaled down versions might serve as antennas for communications systems.’
    • ‘A closer look reveals unusual devices on its roof - satellite antennas to receive signals from space.’
    • ‘Moments later, automatic commands deployed its solar arrays and navigational antennas.’
    • ‘Of course, all radios and antennas should be tuned for their best performance.’

Origin

Mid 17th century: from Latin, alteration of antemna yard (of a ship), used in the plural to translate Greek keraioi horns (of insects), used by Aristotle.

Pronunciation:

antenna

/anˈtɛnə/