Definition of "quartet" []

• Music A composition for four voices or four instruments. (noun)
• Music A group of four singers or four instrumentalists. (noun)
• A group of four. (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.

• "BROOKLYN RIDER The string quartet is made up of musicians who worked with Yo-Yo Ma's Silk Road Project, a nonprofit arts organization. 8 p.m. George Mason University, Center for the Arts, Concert Hall, 4400 University Dr.,"
• "RGA drops $6.5 million in quartet of governors races"
• "The spouses were serenaded by a string quartet from the Juilliard School in New York City as they ate."