Westminster Assembly Meaning, Definition & Usage

Definitions
  1. a convocation, consisting chiefly of divines, which, by act of Parliament, assembled July 1, 1643, and remained in session some years. It framed the "Confession of Faith," the "Larger Catechism," and the "Shorter Catechism," which are still received as authority by Presbyterians, and are substantially accepted by Congregationalists.

Webster 1913