undershot

adjective

1. having the front teeth of the lower jaw projecting in front of the upper teeth, as a bulldog.
2. driven by water passing beneath: an undershot vertical water wheel.

verb

3. simple past tense and past participle of undershoot.

verb (used with object), un·der·shot, un·der·shoot·ing.

1. to shoot or launch a projectile that strikes under or short of (a target).
2. Aeronautics. (of an aircraft or pilot) to land before reaching (a landing strip) because of a too rapid loss of altitude.

verb (used without object), un·der·shot, un·der·shoot·ing.

3. to shoot or launch a projectile so as to strike under or short of a target.

adjective

1. (of the lower jaw) projecting beyond the upper jaw; underhung
2. (of a water wheel) driven by a flow of water that passes under the wheel rather than over itSee overshot

verb -shoots, -shooting or -shot

1. (of a pilot) to cause (an aircraft) to land short of (a runway) or (of an aircraft) to land in this way
2. to shoot a projectile so that it falls short of (a target)

v.1660s, “to shoot too low,” from under + shoot (v.). In reference to aircraft or pilots, recorded from 1918. Undershot as a type of water wheel is recorded from c.1600. n.

1. A temporary decrease below the final steady-state value that may occur immediately following the removal of an influence that had been raising that value.