Source : WordNet®

contraceptive
     n : an agent or device intended to prevent conception [syn: {preventive},
          {preventative}, {contraceptive device}, {prophylactic
         device}, {birth control device}]

contraceptive
     adj : capable of preventing conception or impregnation;
           "contraceptive devices and medications" [syn: {prophylactic},
            {antifertility}]