The Collaborative International Dictionary
fratery
Frater \Fra"ter\, n. [L., a brother.] (Eccl.)
A monk; also, a frater house. [R.]
--Shipley.
Frater house, an apartament in a convent used as an eating room; a refectory; -- called also a fratery.
Wiktionary
fratery
n. A frater-house.