warming pan

from WordNet (r) 3.0 (2006)

warming pan
    n 1: a long-handled covered pan holding live coals to warm a bed

from The Collaborative International Dictionary of English v.0.48

Warming \Warm"ing\,
   a. & n. from {Warm}, v.
   [1913 Webster]

   {Warming pan}, a long-handled covered pan into which live
      coals are put, -- used for warming beds. --Shak.
      [1913 Webster]