1. Publications or periodicals that are issued every two weeks.
Usage: Plural form; chiefly British; Less common than 'biweeklies' in modern American English

Examples

• The library subscribed to several fortnightlies covering news and culture.
• Many fortnightlies went out of print as digital media became dominant.
• She collected vintage fortnightlies from the 1950s.
• The magazine switched from a weekly to one of the fortnightlies to reduce costs.
• Fortnightlies were popular in Britain before the rise of online publications.