Bible Dictionaries
Semicentennial

Webster's Dictionary

(1):

(a.) Of or pertaining to half of a century, or a period of fifty years; as, a semicentennial commemoration.

(2):

(n.) A fiftieth anniversary.

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