Definition of overfall
1
: a turbulent surface of water caused by strong currents setting over submerged ridges or shoals or by winds opposing a current
—usually used in plural
3
: a place provided for the overflow of surplus water (as from a canal or lock)
4
: a sudden increase of depth in the bottom of the sea or other large body of water
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“Overfall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overfall. Accessed 2 Jul. 2022.
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