Definition of antenna in English:

antenna

nounPlural antennae

  • 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’
    • ‘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.’
    • ‘It was a female, as evidenced by its plump, rounded abdomen and thin antennae.’
    • ‘Lurking in these holes, the ants grab the legs and antennae of unsuspecting insects.’
    • ‘Without claws, spiny lobsters use their antennae to fend off predators.’
    tentacle, horn
    View synonyms
    1. 1.1antennae The faculty of instinctively detecting and interpreting subtle signs.
      ‘he has the political antennae of a party whip’
      • ‘But it is where the government has rushed, unprepared, political antennae wobbling, that it has fallen into error.’
      • ‘In each case he has used his considerable speaking abilities and his acute political antennae to confront the allegations head on.’
      • ‘The ignorant president who reputedly cares nothing for the sensitivities of other cultures is shown to have diplomatic antennae.’
      • ‘He possessed both an indomitable will and supersensitive antennae attuned to the political airways.’
      • ‘His antennae are sharply attuned to such shifts.’
      • ‘Rusk insists they'd never have such acute antennae for the cutting edge without his wife Louise's talent for creating new looks.’
      • ‘They can suss out a person and have a natural antennae.’
      • ‘Aware of all this, Campbell's antennae were not tuned in.’
      • ‘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.’
      • ‘None of that will have escaped the acute political antennae of the member for Airdrie and Shotts, John Reid, the home secretary.’
      • ‘The subliminal message would have registered on the sensitive antennae of bible belt America, while agnostics would have noticed nothing.’
      • ‘Though social barriers may have been lowered, our social antennae have not.’
      • ‘Peter Stringer has occasionally been charged with a lack of extravagance behind the scrum, but his antennae are never down.’
      • ‘I'd trust politicians, who, whatever their faults, have finely tuned antennae for the flow of events.’
      • ‘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.’
      • ‘And all the folks who have antennae for political magic are all a-twitter over him.’
  • 2A rod, wire, or other device used to transmit or receive radio or television signals; an aerial.

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

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/