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English definition of “summer”

summer

noun [C/U]    /ˈsʌm·ər/
the season of the year between spring and fall, lasting from June to September north of the equator and from December to March south of the equator, when the weather is warmest: [C] We always spend our summers on the island.
(Definition of summer noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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