n. 中部冲水式

Breasting \Breast"ing\, n. (Mach.)
The curved channel in which a breast wheel turns. It is
closely adapted to the curve of the wheel through about a
quarter of its circumference, and prevents the escape of the
water until it has spent its force upon the wheel. See
{Breast wheel}.


Breast \Breast\, v. t. [imp. & p. p. {Breasted}; p. pr. & vb. n.
{Breasting}.]
To meet, with the breast; to struggle with or oppose
manfully; as, to breast the storm or waves.

The court breasted the popular current by sustaining
the demurrer. --Wirt.

{To breast up a hedge}, to cut the face of it on one side so
as to lay bare the principal upright stems of the plants.