› [C] ( US usually bill) MONEY a piece of paper money: a €500 notein notes He gave me £100 in £10 notes. I had no change; I only had notes. Can you change a €20 note?
› [C] COMMUNICATIONS a short letter, or something that you write down in order to remember something: send/write sb a note I'll send you a note about this but please do put it on your calendars.note to sb The bank said in a note to investors that the operation would make strategic sense. I got a note from the CEO congratulating me on the deal. I made a note to review the matter in a month's time.