v. t. To discover. [ Obs. ] [ 1913 Webster ]
That none might her discoure. Spenser. [ 1913 Webster ]
n. 1. One who, or that which, scours. [ 1913 Webster ]
2. A rover or footpad; a prowling robber. [ 1913 Webster ]
In those days of highwaymen and scourers. Macaulay. [ 1913 Webster ]