galley slaveEnglishOxford New American Dictionarygalley slave /ˈɡalē ˌslāv, ˈɡæli ˌsleɪv/ ▸ noun historical a person condemned to row in a galley. ▪ a person who works very hard, typically performing menial or thankless tasks: call-center workers are the galley slaves of the twenty-first century.