Definitions

1. adjective

relating to or situated near an estuary; having the characteristics of an estuary.

“The estuarine waters of the bay are home to a diverse array of marine life.”

2. noun

an estuary, especially one that is a tidal inlet to the sea, where freshwater from rivers and streams mixes with saltwater from the ocean.

“The estuarine ecosystem is a vital habitat for many species of fish and birds.”

3. adverb

in or near an estuary.

“The boat navigated estuarine waters carefully to avoid shallow areas.”