† cesolfaObs. [f.C, sol, fa, names of musical notes: cf.Effaut.] The name of a musical note, the treble C, which was sol of the 6th hexachord and fa of the 7th. Cf. A re. a1325Old Eng. Song in Rel.Ant. I. 291 The song of the cesolfa dos me syken sare.