submerged overfall
1Overfall — O ver*fall , n. 1. A cataract; a waterfall. [Obs.] [1913 Webster] 2. (Naut.) A turbulent surface of water, caused by strong currents setting over submerged ridges; also, a dangerous submerged ridge or shoal. [1913 Webster] …
2overfall — 1. noun /ˈəʊvəfɔːl,ˈoʊvɚfɑl,əʊvəˈfɔːl,oʊvɚˈfɑl/ A turbulent section of a body of water, caused by strong currents passing over submerged ridges. 2. verb /ˈəʊvəfɔːl,ˈoʊvɚfɑl,əʊvəˈfɔːl,oʊvɚˈfɑl/ a) To fall over (something) …
3overfall — /ˈoʊvəfɔl/ (say ohvuhfawl) noun 1. water made turbulent by a strong current moving over a submerged ridge or by the meeting of contrary currents. 2. a sudden increase in the depth of the sea. 3. a device to allow overflow of water from a canal or …
