1. To refuse to accept or pay (a negotiable instrument) when presented. See NOTICE OF DISHONOR; WRONGFUL DISHONOR. [Cases: Bills and Notes 385–424. C.J.S. Bills and Notes; Letters of Credit§§ 4, 97–98, 202, 204–230, 257, 294, 299.]
2. To deface or defile (something, such as a flag). — dishonor, n.
