Musical stave marking

Wiktionary Word definitions in Wiktionary
n. (context music English) A symbol showing that the second line from the top of the staff represents the F below middle C.

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ Formerly, notes written in the bass clef were written a fourth lower than the required pitch instead of a fifth higher. ▪ The bass clef is used for the lower parts of the compass, the tenor for the higher.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Clef \Clef\ (kl[e^]f; 277), n. [F. clef key, a key in music, fr. L. clavis key. See Clavicle .] (Mus.) A character used in musical notation to determine the position and pitch of the scale as represented on the staff. Note: The clefs are three in number, ...

WordNet Word definitions in WordNet
n. a clef that puts the F below middle C on the fourth line of a staff [syn: F clef ]