Definitions
There is 1 meaning of the phrase
Staff Line.
Staff Line - as a noun
Any of the 5 horizontal marks comprising a staff
Example Sentences
"The note is placed on the third staff line."
"The staff line is where the musical notes are written."
"The staff line indicates the pitch of the notes."
"There are five staff lines in a musical staff."
"The staff line is horizontal and evenly spaced."