1a port and naval base in Devon, SW England; population 251,900 (est. 2009). In 1620 it was the scene of the Pilgrim Fathers' departure to North America in the Mayflower.
a shipping forecast area covering the English Channel roughly between the meridians of the Scilly Isles in the west and Start Point in the east.
2a town in SE Massachusetts, on the Atlantic coast; population 55,705 (est. 2008). The site in 1620 of the landing of the Pilgrim Fathers, it was the earliest permanent European settlement in New England.
3the capital of the island of Montserrat in the Caribbean. It was abandoned following the eruption of the Soufrière Hills volcano from 1995.
Plymouth in other Oxford dictionaries
Definition of Plymouth in the US English dictionary