To cool oneself off; to enjoy cooler air or a cool place to relieve heat.
夕方、縁側で涼んだ。
In the evening I cooled off on the veranda.
暑いので川辺で少し涼んだ。
It was hot, so I cooled off a bit by the riverside.
扇風機の前で涼んでください。
Please cool off in front of the fan.