n.
Pronunciation: ' ə l-st ə r
Function: geographical name
1 region N Ireland (island) comprising Northern Ireland & N Ireland (republic); ancient kingdom, later a province comprising nine counties, three of which in 1921 joined Irish Free State (now Ireland) while the rest remained with United Kingdom
2 province N Ireland (republic) comprising counties Cavan, Donegal, & Monaghan area 3093 sq mi (8042 sq km ), pop 246,714
3 NORTHERN IRELAND ― used unofficially
– Ul · ster · ite \ -st ə - ˌ r ī t \ noun
– Ul · ster · man \ -st ə r-m ə n \ noun