Meaning of allophone

al•lo•phone

Pronunciation: (al'u-fōn"), [key]
— n. Phonet.
  1. any of the members of a class of speech sounds that, taken together, are commonly felt to be a phoneme, as the t-sounds of toe, stow, tree, hatpin, catcall, cats, catnip, button, metal, city; a speech sound constituting one of the phonetic manifestations or variants of a particular phoneme.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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