Source : Webster's Revised Unabridged Dictionary (1913)

Kitchen \Kitch"en\ (k[i^]ch"[e^]n), n. [OE. kichen, kichene,
   kuchene, AS. cycene, L. coquina, equiv. to culina a kitchen,
   fr. coquinus pertaining to cooking, fr. coquere to cook. See
   {Cook} to prepare food, and cf. {Cuisine}.]
   1. A cookroom; the room of a house appropriated to cookery.

            Cool was his kitchen, though his brains were hot.
                                                  --Dryden.

            A fat kitchen makes a lean will.      --Franklin.

   2. A utensil for roasting meat; as, a tin kitchen.

   {Kitchen garden}. See under {Garden}.

   {Kitchen lee}, dirty soapsuds. [Obs.] ``A brazen tub of
      kitchen lee.'' --Ford.

   {Kitchen stuff}, fat collected from pots and pans. --Donne.

Kitchen \Kitch"en\, v. t.
   To furnish food to; to entertain with the fare of the
   kitchen. [Obs.] --Shak.

Source : WordNet®

kitchen
     n : a room equipped for preparing meals