What does "collegiate" mean?

Collegiate: Of or pertaining to a college; as, collegiate studies; a collegiate society. Johnson. Collegiate church. (a) A church which, although not a bishop's seat, resembles a cathedral in having a college, or chapter of canons (and, in the Church of England, a dean), as Westminster Abbey. (b) An association of churches, possessing common revenues and administered under the joint pastorate of several ministers; as, the Reformed (Dutch) Collegiate Church of New York.