denture UK /ˈdɛntjə(ɹ)/US /ˈdɛnt͡ʃə(ɹ)/ noun3 •An artificial replacement of one or more teeth.After the mouth surgery, she was fitted with a denture. •[in the plural] A complete replacement of all teeth in a mouth. •A set of teeth, the teeth viewed as a unit. formsdentures