RIPTIDE
riptide, rip current
(noun) a strong surface current flowing outwards from a shore
rip, riptide, tide rip, crosscurrent, countercurrent
(noun) a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current
Source: WordNet® 3.1
Etymology
Noun
riptide (plural riptides)
A particularly strong tidal current
A rip current which may carry a swimmer offshore (the term rip tide used in this sense is a misnomer).
Synonyms
• (strong flow of water away from the shore): rip current
Anagrams
• dirt pie, pteriid, tide rip
Source: Wiktionary