Bible Dictionaries
Solstitial

Webster's Dictionary

(1):

(a.) Happening at a solstice; esp. (with reference to the northern hemisphere), happening at the summer solstice, or midsummer.

(2):

(a.) Of or pertaining to a solstice.

Bibliography Information
Webster, Noah. Entry for 'Solstitial'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/solstitial.html. 1828.