(rare) A suicide note; a message written prior to a suicide attempt.

(music) The highest and usually climactic note of a song or composition, especially one that is difficult to reach. / (figuratively) A climax or best achievement.

(music) a note that has 1/16 the value of a whole note

(music, US) a note with 1/32 the length of a whole note

(now archaic) A written guarantee to pay or repay a given sum; a receipt; a promissory note.

Alternative form of notebook

A five-dollar bill.

(finance) A note issued by a bank, payable at some future specified time, as distinguished from a note payable on demand.

(informal) Alternative form of sticky note

plural of note shaver