proper nounMnēmonMNEMON☆ KeepMeaningA surname of king ArtaxerxesLewis & Short 1879ModernAs printed, 1879MNEMONLEWIS & SHORTMNEMONMnēmon, ŏnis, m., = Μνήμων (having a good memory). I. A surname of king Artaxerxes, Nep. Reg. 1, 3.—II. A Roman surname, Inscr. Mur. 819, 2.Read the whole entryIn the Academy Smith's classical dictionariesBiography & mythologyMnemonMnemon (Μνήμων), a physician of Side, in Pamphylia, who was a follower of Cleophantus, and lived in the third century B. C. (Galen, Comment. in Hippoc…