vaporium

noun3

1. •
   A shop where one can buy e-cigarettes and vaping paraphernalia, sometimes with a lounge for smoking them.

   • Retail vaporiums sell flavored vapor cartridges -- with or without nicotine. — 2014
2. •
   A curved hollow metal sheet that is filled with boiling water and used for the therapeutic application of heat.

   • Dr. Felix Bricheteau, in the Bull. Gen. de Therup. for July, 1867 recommends the " vaporium," or chamber filled with the vapor of water in pulmonary consumption. — 1866
3. •
   A steam bath (room for taking steam baths).