What is to set down in musical characters. To note a bill or draft, to record on the back of it a refusal of acceptance, as the ground of a protest, which is done officially by a notary called?

note — To set down in musical characters. To note a bill or draft, to record on the back of it a refusal of acceptance, as the ground of a protest, which is done officially by a notary. (Webster's 1913.)