By or Bye1, n.
n. A thing not directly aimed at; something which is a secondary object of regard; an object by the way, and the like; as in on or upon the bye, in passing; indirectly; by implication. The Synod of Dort condemneth upon the bye even the discipline of the church of England. Fuller. By the bye, in passing; by way of digression; apropos to the matter in hand.