a word spelled the same as another but having a different sound and meaning, as lead (to conduct) and lead (a metal).
Origin of heteronym
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin for heteronym
C17: from Late Greek heteronumos, from Greek hetero- + onoma name
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper