river in central Me., flowing south into an arm (Penobscot Bay) of the Atlantic: c. 350 mi (563 km)
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'Penobscot'< Abenaki pαnáwαhpskek, lit., where the rocks widen