From Longman Dictionary of Contemporary Englishvol-au-ventvol-au-vent /ˈvɒl əʊ ˌvɒn $ ˌvɒːl oʊ ˈvɑːn/ noun [countable] British English DFFa small round piece of pastry that is filled with chicken, vegetables etc and eaten at parties
Examples from the Corpus
vol-au-vent• They always look attractive and make a very welcome change from vol-au-vents at a party. 