erectilePronunciation: /ɪˈrɛktʌɪl/Definition of erectile adjective able to become erect:erectile spines denoting tissues which are capable of becoming temporarily engorged with blood, particularly those of the penis or other sexual organs: erectile tissue relating to the capability of the penis or other sexual organs to become erect:men with erectile dysfunctionerectile in other Oxford dictionaries Definition of erectile in the US English dictionary