Maker of note definition including break down of areas in the definition. Analyzing the definition of key term often provides more insight about concepts. Maker of note can be defined as: Entity who signs a note and promises to pay it at maturity. Maker of a note can be confusing because we may think of transactions where the seller a good or services has created the note but the signer of the note, the maker of the note, is the one making the promise to pay in the future.