MASSACHUSETTS BAY(noun) Did you mean: Rhymes Also try: bayingDefinitions There is 1 meaning of the phrase Massachusetts Bay. Massachusetts Bay - as a noun An inlet of the atlantic ocean off of eastern massachusetts extending from cape ann on the north to cape cod on the south Word Variations & RelationsStarts M Starts MA Starts MAS Starts MASS Ends Y Ends AY Ends BAY Ends SBAY Starts M & ends Y Starts MA & ends Y Starts M & ends AY A-Z Proximitiesmass-producemass-producedmass-spectrometricmassachusetmassachusetts Massachusetts Bay massacre 12massacred 14massacrer 13massacrers 14massacres 13