/ Dictionary / Index A antenna: Meaning and Definition of Find definitions for: an•ten•na Pronunciation: (an-ten'u), [key] — pl. -ten•nas -ten•nae a conductor by which electromagnetic waves are sent out or received, consisting commonly of a wire or set of wires; aerial. 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. See also: antenna (Thesaurus) ante-Nicene antenna array Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language