Strong Current Beneath a River or Sea's Surface
This page is the CodyCross answer for the clue below from Amusement Park, Group 204, Puzzle 5 (Countless Attractions).
Question is: Strong Current Beneath a River or Sea's Surface
and the answer is: UNDERTOW
Word Meaning:
UNDERTOW — (transitive) To pull or tow under; drag beneath; pull down.
Definitions from Wiktionary.