From Longman Business Dictionaryadjustable pegadˌjustable ˈpeg noun [countable] ECONOMICSFINANCEa way of controlling exchange rates, in which the value of certain currencies is fixed in relation to another currency, with the possibility of changing this arrangement if necessaryUnder the adjustable peg arrangements, the currency could fluctuate within 1 percent either side of the dollar value. → compare crawling peg