Pronunciation: (ēr'ē),[key] —n., —pl.E•ries,(esp. collectively)E•riefor 3. 1. Lake, a lake between the NE central United States and SE central Canada: the southernmost lake of the Great Lakes; Commodore Perry's defeat of the British in 1813. 239 mi. (385 km) long; 9940 sq. mi. (25,745 sq. km).
2. a port in NW Pennsylvania, on Lake Erie. 119,123.
3. a member of a tribe of American Indians formerly living along the southern shore of Lake Erie.