Bible Dictionaries
Fortnightly

Webster's Dictionary

(1):

(a.) Occurring or appearing once in a fortnight; as, a fortnightly meeting of a club; a fortnightly magazine, or other publication.

(2):

(adv.) Once in a fortnight; at intervals of a fortnight.

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