ground - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “ground”

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ground

 us   /ɡrɑʊnd/

ground (CRUSH)

past simple and past participle of grind

ground

noun  us   /ɡrɑʊnd/

ground noun (LAND)

[U] the surface of the earth or of a piece of land: We laid a blanket on the ground for our picnic.

ground noun (AREA OF KNOWLEDGE)

[U] an area of knowledge or experience; a subject: This teacher just keeps going over the same ground again and again.

ground noun (CAUSE)

[C usually pl] a reason, cause, or argument: [+ that clause] He refused to answer on the grounds that he’d promised to keep it secret.

ground noun (WIRE)

[C] a connection between a piece of electrical equipment and the earth, or a wire that makes this connection [C] A ground is also an object that holds a very large number of electron s, and can accept or supply more when there is an electric current.

ground

verb [T]  us   /ɡrɑʊnd/

ground verb [T] (PUNISH)

infml to punish an older child by not allowing the child to go out or be involved in social activities: My parents grounded me for a week.

ground verb [T] (CAUSE)

to have a reason, cause, or argument for your actions or beliefs: His beliefs are grounded in his experience.

ground verb [T] (LAND)

to put or keep on the ground: All flights have been grounded because of the snowstorm.
(Definition of ground from the Cambridge Academic Content Dictionary © Cambridge University Press)
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