also: どようのうしのひ
expression, noun
midsummer day of the ox
Refers to the day of the ox during the midsummer 'doyo' period, traditionally associated with eating eel to beat the summer heat. Often used in the context of the custom of eating unagi.
See also: 土用の丑の日
今年の土用丑の日は七月三十日です。
This year's midsummer day of the ox is July 30th.
土用丑の日にはうなぎを食べる習慣がある。
There is a custom of eating eel on the midsummer day of the ox.
Compound of 土用 (doyo, the seasonal transition period) + 丑の日 (ushi no hi, day of the ox). The custom of eating eel on this day is said to have been promoted in the Edo period.