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.
- an·ten·nal, adjective
- post·an·ten·nal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use antenna in a sentence
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 | Mara Wilson | August 18, 2014 | THE DAILY BEAST
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? | Kevin Bailey | October 23, 2013 | THE DAILY BEAST
But out of the long grass shot a warthog, her tail antennae-straight, with piglets scuttling behind.Walking With Wildebeests: Exploring the Serengeti on Foot | Joanna Eede | July 9, 2013 | THE DAILY BEAST
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 | Nina Strochlic | May 14, 2013 | THE DAILY BEAST
He has great political antennae and will help anticipate and avoid disasters like Massachusetts.
The antennae are ciliated, whitish above, and brownish beneath.
The antennae of this beautiful species are black, very slender at the base, and thick towards the extremity.
She quietly polishes her wings and curls her antennae by pulling them while standing on them with her fore-tarsi.
The antennae quiver; the wings, raised above the back, continually beat one against the other.
She returns, puts out her head and, seizing her prey by the antennae, warehouses it by dragging backwards.
British Dictionary definitions for antenna
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)
- antennal or antennary, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for antenna
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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.