From Longman Dictionary of Contemporary Englishcloseoutclose‧out /ˈkləʊz aʊt $ ˈkloʊz-/ adjective → closeout sale/price —closeout noun [countable]From Longman Business Dictionarycloseoutclose‧out /ˈkləʊzaʊtˈkloʊz-/ noun [countable usually singular] American English1COMMERCE when goods are sold cheaply in a salea retail chain that buys manufacturers’ closeout merchandise and sells it at big discounts to customersa closeout store2FINANCE the end of a trading period on a financial market dealing in FUTURES or OPTIONsthe closeout of August stock-index futures and options