1a crushing or grating sound or motion:the crunch and grind of bulldozers figurativethe slow grind of the US legal system the size of ground particles:only the right grind gives you all the fine flavour 2hard dull work:relief from the daily grind US informal an excessively hard-working student. Irish a private tuition class:experienced teacher offers grinds in Maths and Irish, to all levels
3 informal a dancer’s erotic gyration of the hips: a bump and grind British vulgar slang
, dated an act of sexual intercourse.
1 [with object] reduce (something) to small particles or powder by crushing it:grind some black pepper over the salad she ground up the rice prior to boiling sharpen, smooth, or produce (something) by crushing or by friction:power from a waterwheel was used to grind cutlery operate (a mill or machine) by turning the handle:she was grinding a coffee mill [no object] (of a mill or machine) work with a crushing action: the old mill was grinding again 2rub or cause to rub together gratingly: [no object]:tectonic plates that inexorably grind against each other [with object]:he keeps me awake at night, grinding his teeth [with object] press or rub (something) into a surface:she ground a half-smoked cigarette into the ashtray [no object, with adverbial] move noisily and laboriously:the truck was grinding slowly up the hill
3 [no object] informal (of a dancer) gyrate the hips erotically:go-go girls grinding to blaring disco British vulgar slang
, dated have sexual intercourse.