TRIMONTIUM (Τριμόντιον, Ptol. 2.3.8), a town of the Selgovae, in Britannia Barbara, probably near Longholm, in the neighbourhood of the Solway Frith. [T. H. D.]
Dictionary of Greek and Roman Geography, illustrated by numerous engravings on wood. William Smith, LLD. London. Walton and Maberly, Upper Gower Street and Ivy Lane, Paternoster Row; John Murray, Albemarle Street. 1854.