antenna: Meaning and Definition of

an•ten•na

Pronunciation: (an-ten'u), [key]
— pl. -ten•nas -ten•nae
  1. a conductor by which electromagnetic waves are sent out or received, consisting commonly of a wire or set of wires; aerial.
  2. one of the jointed, movable, sensory appendages occurring in pairs on the heads of insects and most other arthropods. See diag. under
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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