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English definition of “autumn”

autumn

noun [C or U] uk   /ˈɔː.təm/ us    /ˈɑː.t̬əm/ (US usually fall)
A2 the season of the year between summer and winter, lasting from September to November north of the equator and from March to May south of the equator, when fruits and crops become ready to eat and are picked, and leaves fall: We like to travel in (the) autumn when there are fewer tourists. Last autumn we went to Germany. It's been a very mild autumn. autumn colours/leaves an autumn day/evening
(Definition of autumn from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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SMART Thesaurus: The seasons

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