Definition of antenna in English:


Line breaks: an|tenna
Pronunciation: /anˈtɛnə

noun (plural antennae /-niː/)

1 Zoology 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
More example sentences
  • Lurking in these holes, the ants grab the legs and antennae of unsuspecting insects.
  • 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.
1.1 (antennae) The faculty of instinctively detecting and interpreting subtle signs: he has the political antennae of a party whip
More example sentences
  • Though social barriers may have been lowered, our social antennae have not.
  • Abu Mustafa, whose antennae were particularly sensitive, said he didn't think it was a wonderful idea.
  • The subliminal message would have registered on the sensitive antennae of bible belt America, while agnostics would have noticed nothing.
2 (plural also antennas) chiefly North American or technical another term for aerial. a TV antenna
More example sentences
  • The interference involves a number of television antennas often used on boats.
  • 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.


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.



More example sentences
  • A male would confront a female and attempt to grasp the female's antennae with its antennal clamps.
  • Moreover, a substantial proportion of the surviving hybrid males, but not the hybrid females, have antennal and leg deformities when reared under standard laboratory conditions at 29°.
  • Any one morphological structure in insects is usually highly polygenic, but still no morphological systematist today would think of proposing a phylogeny solely on the basis of a wing vein or an antennal segment.

Definition of antenna in: