noun Chiefly British.
Origin of Midsummer Day
Examples from the Web for midsummer day
That longest of his rides was in the third week after; June 22d, Midsummer-Day.History of Friedrich II. of Prussia, Vol. XXI. (of XXI.)|Thomas Carlyle
And mightn't one treat oneself to asparagus, as it's midsummer-day?
There was no necessity to read it, he knew its purport: the restaurant was closed on midsummer-day; he had forgotten it.
John Erskine woke with the singing of the birds on the morning of Midsummer-day.The Ladies Lindores, Vol. 2(of 3)|Margaret Oliphant
The Pontypridd ceremonies are similar to those of Midsummer-day, already mentioned.British Goblins|Wirt Sikes