/ Dictionary / Index P Penobscot Bay: Meaning and Definition of Find definitions for: Penob'scot Bay' Pronunciation: [key] an inlet of the Atlantic in S Maine. 30 mi. (48 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Penobscot penology Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language