Wiktionary
traditional county
n. 1 A county without direct administrative functions. e.g. Yorkshire, Perthshire, Dublin or Suffolk County, Massachusetts. 2 (context UK English) any of the historic divisions of Great Britain no longer used for administrative purposes in favour of ceremonial county and administrative county 3 (context Ireland English) any of the historical sub-national divisions used for the purposes of geographic demarcation, local government, and sport.