to tread onverb/kaɫˈkaɾ/mediumcal·carPortuguesEnglishEspanolFrancaisDefinitionTo step on something with force; to crush or press with the foot.Be careful not to tread on the seedlings.He trod on a piece of glass.synstep oncrushantavoidspareCommon collocationstread carefullytread underfootEtymologyDo latim 'calcare' (pisar, esmagar).Related wordscalcadocalcaduracalcanhar