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English definition of “under”

under

preposition (LOWER POSITION)    /ˈʌn.dər/ US  /-dɚ/
A1 in or to a position below or lower than something else, often so that one thing covers the other: He hid under the bed. In AD 79 the city of Pompei was buried under a layer of ash seven metres deep. She put the thermometer under my tongue. She was holding a file under her arm (= between her upper arm and the side of her chest). They stood under a tree (= below its branches) to avoid getting wet.Under and below specialized geography If a piece of land is under a particular type of plant, that plant is growing on the whole of that area: The main fields are under wheat.Areas of land where crops are grownFarms and ranches If a book, article, or piece of information is under a particular title, you can find it below or following that title in a list, book, library, etc.: Books on Cecil Beaton will probably be under Art or Photography rather than Drama. Trifle? That comes under Puddings and Desserts.Lists and cataloguesSchedules and agendas Grammar:Beneath, under or below?Beneath has a meaning similar to under and below but we do not use it with numbers:See moreGrammar:UnderUnder is a preposition. When we use under as a preposition, it is similar to below. We use under to talk about something that is below or lower than something else:See more
(Definition of under preposition (LOWER POSITION) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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