Lower Course of a River Where It Reaches the Sea

This page is the CodyCross answer for the clue below from Medieval Times, Group 236, Puzzle 5 (Peasant Revolts).

Question is: Lower Course of a River Where It Reaches the Sea

and the answer is: ESTUARY

Word Meaning:

ESTUARY — A coastal water body where ocean tides and river water merge, resulting in a brackish water zone.

Definitions from Wiktionary.