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
Trouble in Moscow… U.S. defense bill bans Russia from installing GPS antennas on U.S. soil.P.J. O’Rourke on Foreign Policy and France, Hold the Swiss | P. J. O’Rourke | January 17, 2014 | THE DAILY BEAST
Says antennas are for civilian use only, to help Russian tourists find malls with Disney stores.P.J. O’Rourke on Foreign Policy and France, Hold the Swiss | P. J. O’Rourke | January 17, 2014 | THE DAILY BEAST
Molex specializes in little-noticed but vital devices like connectors, antennas, and switches.Get Ready to Support the Kochs, Liberal Apple Fans | Daniel Gross | September 10, 2013 | THE DAILY BEAST
The white van with the antennas came back and I switched off my Xbox until it had passed.Little Brother | Cory Doctorow
No flagpoles rose aloft, up which antennas wires could be hoisted in the guise of halyards.The Secret Wireless | Lewis E. Theiss
Zenith TV antennas are designed and constructed to provide you maximum service and superior performance.Zenith Television Receiver Operating Manual | Zenith Radio Corporation
Valiant in a non-technical article described his long search for trilobites with antennas.The Appendages, Anatomy, and Relationships of Trilobites | Percy Edward Raymond
All the specimens of Neolenus, however, show very flexible antennas.The Appendages, Anatomy, and Relationships of Trilobites | Percy Edward Raymond
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.