the solid surface of the earth

he lay on the ground

an area of land or sea used for a specified purpose

shore dumping can pollute fishing grounds

an area of knowledge or subject of discussion or thought

third-year courses cover less ground and go into more depth

he shifted the argument on to theoretical grounds of his own choosing

factors forming a basis for action or the justification for a belief

there are some grounds for optimism

they called for a retrial on the grounds of the new evidence

a prepared surface to which paint is applied

solid particles, especially of coffee, which form a residue; sediment

machines which presoak the coffee grounds produce a superior cup of coffee

electrical connection to the earth

prohibit or prevent (a pilot or an aircraft) from flying

a bitter wind blew from the north-east and the bombers were grounded

(with reference to a ship) run or go aground

rather than be blown up, Muller grounded his ship on a coral reef

give (something abstract) a firm theoretical or practical basis

the study of history must be grounded in a thorough knowledge of the past

place (something) on the ground or touch the ground with (something)

he was penalized two strokes for grounding his club in a bunker

connect (an electrical device) with the ground

(of a batter) hit a pitched ball so that it bounces on the ground

he grounded to second

reduced to fine particles by crushing or mincing

ground cumin

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

rub or cause to rub together gratingly

mountain ranges developed along fault lines where tectonic plates ground against one another

he keeps me awake at night, grinding his teeth

(of a dancer) gyrate the hips erotically

there were sweaty bodies everywhere bumping and grinding to the music