noun
The musical symbol placed at the beginning of a staff to indicate that the notes on the fourth line from the bottom are F below middle C. Used for lower-pitched instruments and voices.
低音部記号は、ピアノの左手の楽譜によく使われる。
The bass clef is often used in the left-hand staff of piano music.
チェロ
Cello music is written in the bass clef.