As a verb overshot
is (overshoot).
As an adjective overshot
is (of a waterwheel) powered by water that flows over the top from above.
As a noun breastwheel is
a water wheel where the stream of water strikes neither so high as in the overshot wheel, nor so low as in the undershot, but generally at about half the height of the wheel, being kept in contact with it by the breasting the water acts on the float boards partly by impulse, partly by its weight.
overshot
English
Verb
(head)
(overshoot)
Adjective
(
en adjective)
(of a waterwheel) powered by water that flows over the top from above
Related terms
* undershot
breastwheel
English
Noun
(
en noun)
A water wheel where the stream of water strikes neither so high as in the overshot wheel, nor so low as in the undershot, but generally at about half the height of the wheel, being kept in contact with it by the breasting. The water acts on the float boards partly by impulse, partly by its weight.
(
Webster 1913)