Definition of "Rother"

A surname.  examples

A river in Derbyshire and South Yorkshire, England, which flows into the River Don.  examples

A river in Hampshire and West Sussex, England, which flows into the River Arun.  examples

A river in Kent and East Sussex, England, which flows into the English Channel.  examples

A local government district in East Sussex created in 1974, which is named after the river in East Sussex.  examples