toenailPronunciation: /ˈtəʊneɪl/Translate toenail | into German | into Italian | into Spanish Definition of toenail noun 1the nail at the tip of each toe. 2a nail driven through a piece of wood at an angle in order to secure it. verb [with object] secure (a piece of wood) by driving a nail through it at an angle. toenail in other Oxford dictionaries Definition of toenail in the US English dictionary