ISA
From Longman Dictionary of Contemporary EnglishISAISA /ˈaɪsə, ˌaɪ es ˈeɪ/ (Individual Savings Account) a tax-free savings plan, introduced by Britain’s Labour government in 1999From Longman Business DictionaryISAISA /ˈaɪsə/ noun [countable]FINANCE individual savings account; a savings arrangement in Britain on which you do not have to pay taxISAs encourage people to leave their savings in the account on a long-term basis. → cash ISA → equity ISA → maxi-ISA → mini-ISA