Midsummer Eve
noun Chiefly British.
the evening preceding Midsummer Day: formerly believed to be a time when witches and other supernatural beings caused widespread mischief.
Origin of Midsummer Eve
late Middle English word dating back to 1400–50
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for midsummer eve
Midsummer-eve, when the days are longest and the nights shortest, was now come.
The Fairy Book|Dinah Maria Mulock (AKA Miss Mulock)It was then one o'clock, and midsummer-eve, the very time that twelve years before John had gone down into the hill.
The Fairy Book|Dinah Maria Mulock (AKA Miss Mulock)As I stood gazing around me I remembered it was Midsummer-eve.
Farthest North|Fridtjof Nansen