a. 上射式的, 上颚突出的
overshoot的过去式和过去分词

[ adj ]
having an upper part projecting beyond the lower
<adj.all>
an overshot jaw

Overshoot \O`ver*shoot"\, v. t. [imp. & p. p. {Overshot}; p. pr.
& vb. n. {Overshooting}.]
1. To shoot over or beyond; to miss; as, to overshoot a mark;
to overshoot the green in golf. ``Not to overshoot his
game.'' --South.

2. Hence: To go beyond an intended point or limit; as, to
overshoot the runway in landing an airplane; to overshoot
the endpoint in a titration.
[PJC]

2. To pass swiftly over; to fly beyond. --Hartle.

3. To exceed; as, to overshoot the truth. --Cowper.

{To overshoot one's self}, to venture too far; to assert too
much.


Overshot \O"ver*shot`\, a.
From {Overshoot}, v. t.

{Overshot wheel}, a vertical water wheel, the circumference
of which is covered with cavities or buckets, and which is
turned by water which shoots over the top of it, filling
the buckets on the farther side and acting chiefly by its
weight.


Overshot \O"ver*shot`\, a. (Zo["o]l.)
Having the upper teeth projecting beyond the lower; -- said
of the jaws of some dogs.
[Webster 1913 Suppl.]