ETYM Old Eng. vicounte, Old Fren. visconte, vescunte, French vicomte, Late Lat. vicecomes; Latin vice + comes a companion, Late Lat., a count. Related to Count.
1. A British peer who ranks below an earl and above a baron.
2. (In various countries) A son or younger brother or a count.
In the UK peerage, the fourth degree of nobility, between earl and baron.