Definitions
1.NounAn appendage used for sensing on the head of an insect, crab, or other animal.
2.NounAn apparatus to receive or transmit electromagnetic waves and convert respectively to or from an electrical signal.
3.NounThe faculty of intuitive astuteness.
4.NounA fragment of an oligosaccharide
5.NounThe spar to which a lateen sail is attached, which is then hoisted up the mast.
6.NounFor multiple feelers the Anglicised plural, antennas, is used only rarely in scholarly works in the life sciences. In other subjects and in less formal settings, antennas is found with increased frequency.
7.NounFor multiple aerials both plural forms are acceptable in scholarly works. The Latinate plural, antennae, is rarer in less formal settings.
8.NounSome make a distinction between an antenna and an aerial, with the former used to indicate a rigid structure for radio reception or transmission, and the latter consisting of a wire strung in the air. For those who do not make a distinction, antenna is more commonly used in the United States and aerial is more commonly used in the United Kingdom.
9.NounFor the faculty of intuitive astuteness, the Latinate plural is used most frequently but both forms are found.