Hypertext Webster Gateway: "overfall"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Overfall \O"ver*fall`\, n.
1. A cataract; a waterfall. [Obs.]
2. (Naut.) A turbulent surface of water, caused by strong
currents setting over submerged ridges; also, a dangerous
submerged ridge or shoal.
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