from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A set of similar dialects constituting any of the larger distinct regional varieties of a language. For example, Mandarin Chinese is a topolect that includes the dialects of Beijing and Nanjing, and is distinct from Hakka, another topolect of Chinese.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A set of similar dialects that pertain to a larger distinct regional dialect.
topo- + (dia)lect (translation of Chinese (Mandarin) fāngyán, regional speech : fāng, place + yán, language).(American Heritage® Dictionary of the English Language, Fourth Edition)