'Plymouthists' definitions:

Definition of 'Plymouthists'

From: GCIDE

Plymouth Brethren \Plym"outh Breth"ren\ The members of a religious sect which first appeared at Plymouth, England, about 1830. They protest against sectarianism, and reject all official ministry or clergy. Also called Brethren, Christian Brethren, Plymouthists, etc. The Darbyites are a division of the Brethren. [1913 Webster]