midsummer

Short definition from Wiktionary

Noun

1. 1
   The period around the summer solstice; around June 21st in the northern hemisphere.
2. 2
   The first day of summer.
3. 3
   The middle of summer.
4. 4
   Midsummer Day, the English quarter day.
5. 5
   A pagan holiday or Wiccan Sabbat.

Adjective

1. 1
   Occurring in the middle of summer.

Proper noun

1. 1
   A pagan holiday and Wiccan Sabbat.
2. 2
   Synonym of Midsummer Day.