prelates is a form of:

Prelate



noun
1.
(a high rarildng ecclesiastic, a priest or minister who is a high official of the church) សម្ដេចព្រះ សង្ឃរាជ
ENGLISH MEANING
noun
1.
A clergyman of a superior order, as an archbishop or a bishop, having authority over the lower clergy; a dignitary of the church.
verb
1.
(INTRANSITIVE) To act as a prelate.