The Collaborative International Dictionary of English v.0.48:

Refrigerator \Re*frig"er*a`tor\ (-?`t?r), n.
   That which refrigerates or makes cold; that which keeps cool.
   Specifically:
   (a) A box or room for keeping food or other articles cool,
       usually by means of ice.
   (b) An apparatus for rapidly cooling heated liquids or
       vapors, connected with a still, etc.
       [1913 Webster]

   Refrigerator car (Railroad), a freight car constructed as a
      refrigerator, for the transportation of fresh meats, fish,
      etc., in a temperature kept cool by ice.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Appliance \Ap*pli"ance\, n.
   1. The act of applying; application.
      [1913 Webster]

   2. subservience; compliance. [Obs.] --Shak.
      [1913 Webster]

   3. A thing applied or used as a means to an end; an apparatus
      or device; as, to use various appliances; a mechanical
      appliance; a machine with its appliances.
      [1913 Webster]

   4. Specifically: An apparatus or device, usually powered
      electrically, used in homes to perform domestic functions.
      An appliance is often categorized as a major appliance or
      a minor appliance by its cost. Common major appliances are
      the refrigerator, washing machine, clothes drier,
      oven, and dishwasher. Some minor appliances are a
      toaster, vacuum cleaner or microwave oven.
      [PJC]

WordNet (r) 3.0 (2006):

refrigerator
    n 1: white goods in which food can be stored at low temperatures
         [syn: refrigerator, icebox]