locknounfeminine/mɐˈdɐjʃɐ/mediumma·dei·xaPortuguesEnglishEspanolFrancaisDefinitionA lock or strand of hair.She tied a ribbon around a lock of her hair.A single golden lock fell across his forehead.synlockstrandtressEtymologyDo latim 'mallea' (feixe, molho).