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
(antennae) the faculty of instinctively detecting and interpreting subtle signs:he has the political antennae of a party whip
2 (plural also antennas) chiefly North American or technicalanother term for aerial.a TV antenna
