1) Algonquian 2) Algonquin 
Rocky River, a tribe and longest river of Maine.
Algonquian-speaking North American Indians who lived on both sides of the Penobscot Bay and throughout the Penobscot River basin in what is now the ... [2 related articles]
Member of an American Indian people who originally inhabited the Penobscot River basin and Penobscot Bay in northeast Maine. They are allied to the Passamaquoddy, and speak an Algonquian language....
Penobscot is a cultivated variety of potato.
[n] - a member of the Algonquian people belonging to the Abnaki confederacy and living in the Penobscot valley in northern Maine 2. [n] - a river in central Maine flowing into Penobscot Bay
Penobscot River noun a river in central Maine flowing into Penobscot Bay