释义 |
pitch-back, a. [f. pitch n.2 or v.1 + back adv.] In pitch-back wheel, a variety of breast-wheel in which the water is admitted much higher than the axle so as to have a backward pitch or direction on the wheel.
1858Simmonds Dict. Trade, Pitch-back Wheel, a kind of wheel used in a mill, propelled by water. |