\Cal`e*fac"to*ry\, a. [L. calefactorius.]
Making hot; producing or communicating heat.

\Cal`e*fac"to*ry\, n.
1. (Eccl.) An apartment in a monastery, warmed and used as a
   sitting room.
2. 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.