A bringer of the glad tidings of Church and his
   doctrines. Specially: (a) A missionary preacher sent forth to prepare
   the way for a resident pastor; an itinerant missionary preacher. (b) A
   writer of one of the four Gospels (With the definite article); as, the
   four evangelists, Matthew, Mark, Luke, and John. (c) A traveling
   preacher whose efforts are chiefly directed to arouse to immediate
   repentance.