Overfall
Pronunciation : O"ver*fall`
Part of Speech : n.
Definition : 1. A cataract; a waterfall. [Obs.]
2. (Naut.)
Defn: A turbulent surface of water, caused by strong currents setting over submerged ridges; also, a dangerous submerged ridge or shoal.
Source : Webster's Unabridged Dictionary, 1913