midsummer

noun

1. the middle of summer.
2. the summer solstice, around June 21.

noun

1. 1. the middle or height of the summer
   2. (as modifier)a midsummer carnival
2. another name for summer solstice

n.Old English midsumor, from mid + sumor “summer” (see summer (n.1)). Midsummer Day, as an English quarter-day, was June 24. Astronomically June 21, but traditionally reckoned in Europe on the night of June 23-24.