From Longman Dictionary of Contemporary Englishvespersves‧pers /ˈvespəz $ -ərz/ noun [uncountable] RRCthe evening service in some types of Christian church → matins
Examples from the Corpus
vespers• He came from hearing vespers in his chapel, and shut himself early into his private chamber.Origin vespers (1300-1400) Old French vespres, from Latin vespera “evening” 