பொருள் : A part of a city that is notorious for gambling dens and brothels and saloons and riotous night life (especially the waterfront of San Francisco after the gold rush of 1849).
எடுத்துக்காட்டு :
We'll tolerate no Barbary Coast in this city!.
பொருள் : The Mediterranean coast of northern Africa that was famous for its Moorish pirates.