From Longman Dictionary of Contemporary Englishdiscounterdis‧count‧er /ˈdɪskaʊntə $ -ər/ noun [countable] a shop or person that sells goods cheaply
Examples from the Corpus
discounter• Chain supermarkets are more likely to be discounters than independent supermarkets which favor specials.• We started at a local computer store, a big discounter like CompUSA but with another name.• That leaves plenty of room for discounters to prosper, recession or no recession.• As the major retailers adjust their strategies to the growth of discounters like their emphasis is very much on cost control.• At the same time, three regional discounters were stung by mounting competition.From Longman Business Dictionarydiscounterdis‧count‧er /ˈdɪsˌkaʊntə-ər/ noun [countable]1COMMERCE a shop or business that sells goods or services at lower prices than normalThe cameras list for under $1,000, and will be available soon from discounters for as little as $600.2a large shop that has very low prices and a limited number of different products3 (also invoice discounter)FINANCECOMMERCE a financial institution that lends a business an amount of money equal to that owed by the business’s suppliersThe specialist invoice discounters have increasingly sought to distinguish their activities from those of the factoring companies. 