/ Dictionary / Index M mainland China: Meaning and Definition of Find definitions for: main'land Chi'na Pronunciation: [key] the People's Republic of China, as distinguished from Taiwan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mainland mainlander Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language