retainer
Explore definitions, synonyms, and language insights of retainer
Definitions
                    Noun
                    
                a fee charged in advance to retain the services of someone
                
                    Noun
                    
                a person working in the service of another (especially in the household)
                
                    Noun
                    
            a dental appliance that holds teeth (or a prosthesis) in position after orthodontic treatment