The definition of a fortnight is a two-week period of time.noun
Many British Commonwealth countries pay employees every two weeks, an example of a fortnight-based payroll system.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
Origin: ME fourte(n) niht < OE feowertyn niht, lit., fourteen nights
Used by arrangement with John Wiley & Sons, Inc.
Origin: Middle English fourtenight, alteration of fourtene night, fourteen nights : Old English fēowertēne, fourteen; see kwetwer- in Indo-European roots + Old English niht, night; see nokwt- in Indo-European roots.