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English definition of “ground”

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ground

noun uk   /ɡraʊnd/ us  

ground noun (LAND)

the ground [S]
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B1 the surface of the Earth: I sat down on the ground.
B2 [U] soil: soft/stony ground The ground was frozen hard and was impossible to dig.B1 [C] an area of land used for a particular purpose or activity: a football ground skills learnt on the training ground (= place where sports teams practise)grounds [plural] C2 the gardens and land that surround a building and often have a wall or fence around them: We went for a walk around the hospital grounds.

ground noun (CAUSE)

C2 [C usually plural] a reason, cause, or argument: She is suing the company on grounds of unfair dismissal. Do you have any ground for suspecting them? [+ to infinitive] We have grounds to believe that you have been lying to us. [+ that] He refused to answer on the grounds that she was unfairly dismissed.
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ground noun (AREA OF KNOWLEDGE)

C2 [U] an area of knowledge or experience: When the conversation turns to politics he's on familiar ground (= he knows a lot about this subject). Once we'd found some common ground (= things we both knew about) we got on very well together. The lectures covered a lot of ground (= included information on many different subjects). I enjoyed her first novel, but I felt in the second she was going over the same ground (= dealing with the same area of experience).
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ground noun (WIRE)

[C usually singular] US ( UK earth) a wire that makes a connection between a piece of electrical equipment and the ground, so the user is protected from feeling an electric shock if the equipment develops a fault

ground noun (COFFEE)

grounds [plural] the small grains of coffee left at the bottom of a cup or other container that has had coffee in it
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ground

verb uk   /ɡraʊnd/ us  

ground verb (GRIND)

past simple and past participle of grind

ground verb (KEEP ON LAND)

be grounded If a ship is grounded, it cannot move because it has hit solid ground: The oil tanker was grounded on a sandbank. [T often passive] If aircraft are grounded, they are prevented from flying or ordered not to fly: The snowstorm meant that all planes were grounded.

ground verb (PUNISH)

[T] to forbid (= refuse to allow) a child or young person from going out as a punishment: My parents have grounded me for a week.

ground verb (PUT WIRE)

[T usually passive] US ( UK earth) to connect a piece of electrical equipment to the ground with a wire: You could get a nasty shock from that water heater if it isn't grounded properly.

ground verb (CAUSE)

be grounded in sth formal to be based firmly on something: Fiction should be grounded in reality. Most phobias are grounded in childhood experiences.
See also
(Definition of ground from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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