It's the 2-word title for the head of a parliamentary government
2. the chief minister of a sovereign 
or a state ... Word Origin and History for prime minister ... Prime minister is 
commonly the title of the head of government in a parliamentary system, such as 
that of... [DOC] [TLE] Infosheet 20 - The Australian system of government  Parliament of ... [PAR] Parliamentary government means that the Executive Government comes from ...