F clef

US /ɛf klɛf/
UK /ɛf klɛf/
"F clef" picture
1.

clave de Fá, clave de baixo

a clef that places F below middle C on the fourth line of the staff, used for bass and baritone voices and instruments

:
The bassoon part is written in the F clef.
A parte do fagote é escrita na clave de Fá.
Pianists read the lower notes on the grand staff using the F clef.
Pianistas leem as notas mais baixas na pauta grande usando a clave de Fá.