Belfast
geographical name
Bel·fast
| \ ˈbel-ˌfast
, bel-ˈfast
\
, bel-ˈfast
\
Definition of Belfast
1
district of eastern Northern Ireland, established 1974 area 54 square miles (140 square kilometers), population 283,746
2
city, port at the head of
Belfast Lough
(an inlet of the North Channel), and capital of Northern Ireland population 295,100