A resort visited for holidays/vacations during the summer.

(US) Plays put on at theaters during the summer, especially outdoors and during the summer vacation.

The practice of pruning plants during the growing season.

summer fallow

to summer-fallow

(Britain) daylight saving time

A short period of warm weather around St Luke's Day (18 October); an Indian summer (also figuratively).

(pathology) A seasonal pediatric condition characterized by redness, edema and pruritus of the penile skin, usually caused by chigger bites.

(often sarcastic) Someone who is naive, or who has never experienced hardship.

A period of warm weather in early November.