/ Dictionary / Index C Chatham: Meaning and Definition of Find definitions for: Chat•ham Pronunciation: (chat'um), [key] — n. See a city in N Kent, in SE England. 56,921. a city in SW Ontario, in S Canada, near Lake St. Clair. 40,952. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chatelaine Chatham Islands Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language