- a conductor by which electromagnetic waves are sent out or received, consisting commonly of a wire or set of wires; aerial.
- Zoology. one of the jointed, movable, sensory appendages occurring in pairs on the heads of insects and most other arthropods.
Origin of antenna
Examples from the Web for antennae
At the end of the first dinner scene (where I said my most infamous line), he uses chopsticks like antennae to make me smile.Mara Wilson Remembers Robin Williams: We're All His Goddamn Kids
August 18, 2014
There are several long fins extending from the top of its head like antennae, and they may have lures at the end.Fishy Mystery: Are Beached Oarfish Trying to Tell Us Something?
October 23, 2013
The Eat-a-Bug Cookbook recommends stripping off the antennae, limbs, and wings before baking them in the oven until crisp.Cicadas, Grasshoppers, Locusts, Ants Among the Tastiest Insects
May 14, 2013
He added, with waving of his antennae eyebrows: "It was Helen's first opera."The Bacillus of Beauty
Antenniform: made up like, or having the appearance of antennae.
Nodicorn: with antennae that have the apex of each joint swollen.
Forehead: in Mallophaga, the head in front of the mandibles and antennae.
Geodromica: terrestrial Heteroptera in which the antennae are not concealed.
- plural -nae (-naɪ) one of a pair of mobile appendages on the heads of insects, crustaceans, etc, that are often whiplike and respond to touch and taste but may be specialized for swimming or attachment
- plural -nas another name for aerial (def. 7)
Word Origin and History for antennae
1640s, "feeler or horn of an insect," from Latin antenna "sail yard," the long yard that sticks up on some sails, of unknown origin, perhaps from PIE root *temp- "to stretch, extend." In the etymological sense, it is a loan-translation of Aristotle's Greek keraiai "horns" (of insects). Modern use in radio, etc., for "aerial wire" is from 1902. Adjectival forms are antennal (1834), antennary (1836), antennular (1858).
- One of a pair of long, slender, segmented appendages on the heads of insects, centipedes, millipedes, and crustaceans. Most antennae are organs of touch, but some are sensitive to odors and other stimuli.
- A metallic device for sending or receiving electromagnetic waves, such as radio waves. Some antennas can send waves in or receive waves from all directions; others are designed to work only in a range of directions.