flanknounmasculine/ˈflɐ̃ku/lowflan·coPortuguesEnglishEspanolFrancaisDefinitionThe side of something, especially the body of a person or animal, or a military formation.The cavalry attacked the enemy's left flank.The horse had a scar on its flank.synsidehaunchwingantfrontcenterCommon collocationsright flankleft flankexposed flankflank attackEtymologyDo francês 'flanc', por sua vez do franco 'hlanka' (anca).Related wordsflanquearflanqueador