ground
1 (ground)
[Middle English, from Old English grund.]
noun
- The solid surface of the earth.
- The floor of a body of water, especially the sea.
- Soil; earth: level the ground for a lawn.
- An area of land designated for a particular purpose. Often used in the plural: a burial ground; parade grounds.
- The land surrounding or forming part of a house or another building. Often used in the plural: a guesthouse on the grounds of the mansion.
- An area or a position that is contested in or as if in battle: The soldiers held their ground against the enemy. Character witnesses helped the defendant stand her ground in the trial.
- Something that serves as a foundation or means of attachment for something else: a ground of white paint under the mural.
- A surrounding area; a background.
- The foundation for an argument, a belief, or an action; a basis. Often used in the plural.
- The underlying condition prompting an action; a cause. Often used in the plural: grounds for suspicion; a ground for divorce. See synonyms at base1
- An area of reference or discussion; a subject: The professor covered new ground in every lecture.
- The sediment at or from the bottom of a liquid: coffee grounds.
- Electricity
- A large conducting body, such as the earth or an electric circuit connected to the earth, used as an arbitrary zero of potential.
- A conducting object, such as a wire, that is connected to such a position of zero potential.
verb: ground·ed, ground·ing, grounds.
transitive verb
- To place on or cause to touch the ground.
- To provide a basis for (a theory, for example); justify.
- To supply with basic information; instruct in fundamentals.
- To prevent (an aircraft or a pilot) from flying.
- Informal To restrict (someone) especially to a certain place as a punishment.
- Electricity To connect (an electric circuit) to a ground.
- Nautical To run (a vessel) aground.
- Baseball To hit (a ball) onto the ground.
- Football To throw (a ball) to the ground in order to stop play and avoid being tackled behind the line of scrimmage.
intransitive verb
- To touch or reach the ground.
- Baseball To hit a ground ball: grounded to the second baseman.
- Nautical To run aground.
phrasal verbs
- ground out
- To be put out by hitting a ground ball that is fielded and thrown to first base.
idioms
- drive into the ground
- To belabor (an issue or a subject).
- from the ground up
- From the most basic level to the highest level; completely: designed the house from the ground up; learned the family business from the ground up.
- off the ground
- Under way, as if in flight: Because of legal difficulties, the construction project never got off the ground.
- on (one's) own ground
- In a situation where one has knowledge or competence: a sculptor back on her own ground after experiments with painting.
- on the ground
- At a place that is exciting, interesting, or important.
- to ground
- Into a den or burrow: a fox going to ground. Into hiding.
ground
2 (ground)
verb
- Past tense and past participle of grind
grind
(grīnd)
[Middle English grinden, from Old English grindan.]
verb: ground (ground), grind·ing, grinds.
transitive verb
- To crush, pulverize, or reduce to powder by friction, especially by rubbing between two hard surfaces: grind wheat into flour.
- To shape, sharpen, or refine with friction: grind a lens.
- To rub (two surfaces) together harshly; gnash: grind the teeth.
- To bear down on harshly; crush.
- To oppress or weaken gradually: “Laws grind the poor, and rich men rule the law” (Oliver Goldsmith)
- To operate by turning a crank: ground a hurdy-gurdy.
- To produce or process by turning a crank: grinding a pound of beef.
- To produce mechanically or without inspiration: The factory grinds out a uniform product.
- To instill or teach by persistent repetition: ground the truth into their heads.
intransitive verb
- To perform the operation of grinding something.
- To become crushed, pulverized, or powdered by friction.
- To move with noisy friction; grate: a train grinding along rusty rails.
- Informal To devote oneself to study or work: grinding for a test; grinding away at housework.
- Slang To rotate the pelvis erotically, as in the manner of a stripteaser.
noun
- The act of grinding.
- A crunching or grinding noise.
- A specific grade or degree of pulverization, as of coffee beans: drip grind.
- Informal A laborious task, routine, or study: the daily grind.
- Informal A student who works or studies excessively.
- Slang An erotic rotation of the pelvis.
derivatives
- grind́ing·ly
- adverb