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Definition of "antenna" []

  • Zoology One of the paired, flexible, segmented sensory appendages on the head of an insect, myriapod, or crustacean functioning primarily as an organ of touch. (noun)
  • Something likened to this sensory appendage, as in function or form: sensitive public relations antennae. (noun)
  • A metallic apparatus for sending or receiving electromagnetic waves. (noun)
  • 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 (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "antenna" in a sentence
  • "David mouthed the word antenna and pointed at the thing."
  • "I haven't looked at the video, but I wouldn't naturally assume that the antenna is the barrel."
  • "TV RECEPTION WOES, PT III: No idea if the antenna is "amplified" but I do know the TV doesn't work without it."