summer · noun C or U /ˈsʌm.ər/Full view
summer
A1 the season of the year between spring and fall, when the weather is warmest
Dictionary examples:

We usually go away in (the) summer.

We always spend our summers on the island.

I love these warm summer nights.

It was a perfect summer's day.

Learner example:

I like going to [the] park in the summer. (Skills for Life (Entry 1); A1; French)

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