Definitions

1. noun

A symbol used to represent a pitch in music, especially a symbol used to indicate the pitch to which a line of music should be sung or played.

“The music teacher explained the different clefs used in the composition.”

2. noun

A key or latch used to fasten a door or gate.

“The old mansion had a large iron clef on its main entrance.”

3. verb

To fasten or close with a clef.

“The housekeeper clefed the door shut to keep out the cold air.”