mainland mainframe computer • mainland china · · · Info · Definitions · Characters · · mainland · · Text Latin · · Script 8 · · Length 2 · · Syllables Definitions · · · (noun) the main land mass of a country or continent; as distinguished from an island or peninsula. · · Noun Definition 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E