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calefactory

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noun cal·e·fac·to·ry \ˌka-lə-ˈfak-t(ə-)rē\

Definition of calefactory

plural cal·e·fac·to·ries

  1. :  a monastery room warmed and used as a sitting room



Origin of calefactory

Medieval Latin calefactorium, from Latin calefacere to warm — more at chafe


First Known Use: circa 1681


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