(a) The extreme end of something, usu. rounded or pointed; also, a metal or other attachment to the end of something; (b) in cpd.: tip to, the end of the toe;—used in pl.; also, the end of a bird's……
(a) Wise, prudent; knowledgeable; also, cunning, skilled, able [the precise gloss is determined by the context]; witter and wale (ware, wise), wise and witter; witter of eie, observant
(b) requiring……