Either of the two parts of an eyeglasses frame that extend over or around the ear.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "earpiece" in a sentence
"UPDATE: The main article I link to below has been pulled, so we should assume that the author's allegation, that Romney's staff admits he wears an earpiece, is no longer proven."
"The excuse with the earpiece is very lame, but the management can’t use this “technical problem” every time she sings live."
"On TV, what's going on in your earpiece is the most important thing; you have to try to take notice of that – but that's quite hard when you're trying to have a serious conversation with someone."