verb trans
to reduce (something) to powder or small fragments by crushing it between hard surfaces
to polish, sharpen, or wear (something) down by friction
grind an axe
to rub, press, or twist harshly
to rub, press, or twist (something) harshly
He ground his fist into his opponent's stomach
to press (things) together with a rotating motion
grind the teeth
to operate or produce (something) by turning a crank
grind a hand organ
to perform the operation of grinding
to become pulverized, polished, or sharpened by friction
to move with difficulty or friction, esp so as to make a grating noise
grinding gears
(often + away) to work monotonously, esp to study hard
She's grinding away at her history
to rotate the hips in an erotic manner
in skateboarding, in-line skating etc, to slide along a surface or rail rather than on the wheels, e.g. on the edge of a skate
to stop in a noisy, jarring, or disconcerting way