turbine
tur.bine \'t*r-b*n, -.bi-n\ n [F, fr. L turbin-, turbo top, whirlwind, whirl; akin to L turbar]e to disturb : a rotary engine actuated by the reaction or impulse or both of a current of fluid (as water or steam) subject to pressure and usu. made with a series of curved vanes on a central rotating spindle