'Promissory note' definitions:

Definition of 'promissory note'

From: WordNet
noun
A promise to pay a specified amount on demand or at a certain time; "I had to co-sign his note at the bank" [syn: note, promissory note, note of hand]

Definition of 'Promissory note'

From: GCIDE
  • Promissory \Prom"is*so*ry\, a. Containing a promise or binding declaration of something to be done or forborne. [1913 Webster]
  • Promissory note (Law), a written promise to pay to some person named, and at a time specified therein, or on demand, or at sight, a certain sum of money, absolutely and at all events; -- frequently called a note of hand. --Kent. Byles. Story. [1913 Webster]

Synonyms of 'promissory note'

From: Moby Thesaurus