From Longman Dictionary of Contemporary Englishcoffee morningˈcoffee ˌmorning noun [countable] British English PARTYa social occasion when a group of people meet in the morning to talk and drink coffee, and usually give money to help a church or another organization
Examples from the Corpus
coffee morning• Coffee morning: A coffee morning is to be held in the village hall at 10am on March 27.• At one school during a parents' coffee morning the conversation drifted around to the subject to school uniform.• The coffee morning is to be a regular feature and will be held at Harewood House every second Saturday in the month. 