Viscount :: Viscount (a.) An officer who formerly supplied the place of the count, or earl; the sheriff of the county..
Viscount :: Viscount (a.) A nobleman of the fourth rank, next in order below an earl and next above a baron; also, his degree or title of nobility. See Peer, n., 3..
Viscountcy :: Viscountcy (n.) The dignity or jurisdiction of a viscount.