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masc. proper name, from Old North French Waltier (Old French Gautier), of Germanic origin; cf. Old High German Walthari, Walthere, literally "ruler of the army," from waltan "to rule" (see wield) + hari "host, army" (see harry). Walter Mitty (1939) is from title character in "The Secret Life of Walter Mitty" by U.S. short story writer James Thurber (1894-1961).