Akerman, Or Akjerman (Gr. Monkastron; anc. Tyras), a town in Bessarabia, on the estuary of the Dniester, near its mouth in the Black sea, and 35 m. S. W. of Odessa; pop. in 1869, 29,373. It is situated at the foot of a rock crowned by a citadel, has a good harbor, and carries on an extensive trade in salt. The interior, in general, has a Turkish aspect. The population, about half Europeans, is greatly mixed. Akerman is the capital of a dismet of the same name, which has 21 German settlements.