adv once in a fortnight; at intervals of a fortnight.
2. fortnightly ·adj occurring or appearing once in a fortnight; as, a fortnightly meeting of a club; a fortnightly magazine, or other publication.
adv once in a fortnight; at intervals of a fortnight.
2. fortnightly ·adj occurring or appearing once in a fortnight; as, a fortnightly meeting of a club; a fortnightly magazine, or other publication.
Webster English vocab. Английский словарь Webster. 2012