Lake America noun3 •(old-fashioned, rare) Nickname for Afghanistan: A landlocked country between Central Asia and South Asia; used by American political commentators, after the quick victorious invasion under United States president George W. Bush. •A lake in Sardis, Panola, Mississippi, United States.They came into Lake America with transports and a gun-boat, and a large body of infantry and some cavalry, and made a descent on the Granicus cotton — 1874 •(US) Synonym of Lake Ontario: a lake in North America, between Canada and United States in province of Ontario and state of New York, one of the five Great Lakes of North America. This name is not officially recognised in Canada.