estuarya partially enclosed coastal body of water where freshwater and saltwater mixChesapeake Bay is a productive estuary that supports a diverse array of fish and shellfish.NoteChesapeake Bay is a productive estuary that supports a diverse array of fish and shellfish.Elon.io is an online learning platformWe have an entire course teaching TOEFL Academic Vocabulary grammar and vocabulary.Start learning TOEFL Academic Vocabulary now