/ Dictionary / Index W Waltham: Meaning and Definition of Find definitions for: Wal•tham Pronunciation: (wôl'thum or, locally, -tham), [key] — n. a city in E Massachusetts. 58,200. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Walter Mitty Waltham Forest Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language