antenna
/ænˈtɛn.ə/ noun
Forms antennae antennas antennæ
- noun An appendage used for sensing on the head of an insect, crab, or other animal. [from 17th c.]
- noun An apparatus to receive or transmit electromagnetic waves and convert respectively to or from an electrical signal.
- noun (figurative) The faculty of intuitive astuteness.
- noun (biochemistry) A fragment of an oligosaccharide
- noun (nautical) The spar to which a lateen sail is attached, which is then hoisted up the mast.
Synonyms
feeler aerial clairvoyance acumen perspicacity yard transmitting aerial
Etymology
Borrowed 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.
Webster’s 1913
- noun A movable, articulated organ of sensation, attached to the heads of insects and Crustacea. There are two in the former, and usually four in the latter. They are used as organs of touch, and in some species of Crustacea the cavity of the ear is situated near the basal joint. In insects, they are popularly called horns, and also feelers. The term in also applied to similar organs on the heads of other arthropods and of annelids.
Etymology [L. antenna sail-yard; NL., a feeler, horn of an insect.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “antenna”, CC BY-SA 4.0. Details