overfall noun. ['ǝʊvǝfɔ:l] M16.
[from OVER- + FALL noun².]
1. A turbulent stretch of sea etc. with short breaking waves, caused by a strong current over a submarine ridge or shoal, or by the meeting of contrary currents. M16.

2. A waterfall, a rapid. L16.

3. A sudden drop in the sea bottom, as at the edge of a ledge. L18.

4. A structure in a canal, dam, etc., to allow the water to overflow when it exceeds a certain level. L18.

[TahlilGaran] English Dictionary ▲

overfall verb. [ǝʊvǝ'fɔ:l] Pa. t. -fell [-'fɛl]; pa. pple -fallen [-'fɔ:l(ǝ)n]. OE.
[from OVER- + FALL verb.]
1. verb trans. Attack, assail. Long rare. OE.

2. verb trans. Fall on, come down on. Long rare. ME.

3. verb intrans. Fall over; Scot. be very dilapidated. M16.

[TahlilGaran] English Dictionary ▲