Wordnet 3.0
NOUN (2)
1.
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);
- Example: "we'll tolerate no Barbary Coast in this city!"2.
the Mediterranean coast of northern Africa that was famous for its Moorish pirates;
WordNet (r) 3.0 (2006):
Barbary Coast
n 1: 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);
"we'll tolerate no Barbary Coast in this city!"
2: the Mediterranean coast of northern Africa that was famous
for its Moorish pirates