This refers to the area where freshwater from rivers and streams meets and mixes with saltwater from the ocean. It is typically a rich ecosystem that supports diverse wildlife.

This term describes the geographic area of an estuary that encompasses the land and water, particularly the region influenced by tidal actions.

This meaning refers to the region subject to the influence of tides, where water levels fluctuate regularly due to the gravitational effects of the moon and sun.

This is often used to describe a specific section of a river or waterway that experiences tidal effects, extending inland from the estuary.

This refers to the specific area along the shoreline or riverbanks that is regularly exposed and submerged by tidal movements.