n.
chain of five large lakes (Lake Superior, Lake Michigan, Lake Huron, Lake Erie and Lake Ontario) in North America (on the border of United States and Canadian)
Noun 1. a group of 5 lakes in central North America (hypernym) lake (part-holonym) United States, United States of America, America, US, U.S., USA, U.S.A. (part-meronym) Lake Erie, Erie