Pronunciation: (mot'ō), [key]
—pl. -toes, -tos.
1. a maxim adopted as an expression of the guiding principle of a person, organization, city, etc.
2. a sentence, phrase, or word expressing the spirit or purpose of a person, organization, city, etc., and often inscribed on a badge, banner, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.