Longman Dictionary of Contemporary English
Wiktionary
alt. A retail business that sells ice cream and related products to consumer. n. A retail business that sells ice cream and related products to consumer.
Wikipedia
Ice cream parlors (or parlours) are restaurants that sell ice cream, gelato, sorbet, and frozen yogurt to consumers. Ice cream is typically sold as regular ice cream (also called hard-packed ice cream), gelato, and soft serve, which is usually dispensed by a machine with a limited number of flavors (e.g., chocolate, vanilla, and "twist", a mix of the two). It is customary for ice cream parlors to offer a number of flavors and items. Parlors often serve ice cream and other frozen desserts in cones or in dishes, to be eaten with a spoon. Some ice cream parlours prepare ice cream desserts such as sundaes (ice cream topped with syrup, whipped cream and other toppings) or milkshakes.