"C clef." YourDictionary, n.d. Web. 12 October 2018. <http://www.yourdictionary.com/c-clef>.
C clef. (n.d.). Retrieved October 12th, 2018, from http://www.yourdictionary.com/c-clef
A symbol indicating which line of a staff represents the pitch of middle C. On the bottom line it becomes the soprano clef, on the middle line the alto clef, and on the third line above the bottom the tenor clef.