1. a letter that has two or more pronunciations; - Example: "`c' is a polyphone because it is pronounced like `k'; in `car'; but like `s'; in `cell'"; [syn: polyphone, polyphonic letter]
WordNet (r) 3.0 (2006):
polyphonic letter
n 1: a letter that has two or more pronunciations; "`c' is a
polyphone because it is pronounced like `k' in `car' but
like `s' in `cell'" [syn: polyphone, polyphonic letter]