A flourishing seaport of Northumberland, on the Tyne, near the mouth, 8 m. NE. of Newcastle-upon-Tyne, and lying within the municipal borough of Tynemouth; is of quite modern growth, and of a plain, uninteresting appearance; has a theatre, free library, Mariners' Home, fine park, etc.; the docks cover 79 acres, and a large export trade in coal is carried on.