Calefactory

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. a. Making hot; producing or communicating heat.
3. n. An apartment in a monastery, warmed and used as a sitting room.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.