chesapeake
n. countablen. a large area of water on the East Coast of the United States where the ocean meets several rivers. It is famous for its seafood, especially crabs and oysters.
n. the largest estuary in the United States, located between Maryland and Virginia. When used as a proper name, it refers specifically to this geographic feature or the surrounding bay region.
We spent the weekend sailing on the Chesapeake.
The health of the Chesapeake has improved recently due to stricter regulations on industrial runoff and overfishing.
Ecologists monitor the Chesapeake closely, as its brackish waters support a delicate balance of marine life that is highly sensitive to changes in salinity and temperature.
Usually preceded by the definite article 'the' when referring to the bay; often functions as a modifier in compound nouns like 'Chesapeake Bay'.