Bible Dictionaries
Calefactory

Webster's Dictionary

(1):

(n.) A hollow sphere of metal, filled with hot water, or a chafing dish, placed on the altar in cold weather for the priest to warm his hands with.

(2):

(n.) An apartment in a monastery, warmed and used as a sitting room.

(3):

(a.) Making hot; producing or communicating heat.

Bibliography Information
Webster, Noah. Entry for 'Calefactory'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​c/calefactory.html. 1828.