Source : Webster's Revised Unabridged Dictionary (1913)

Warm \Warm\, v. t. [imp. & p. p. {Warmed}; p. pr. & vb. n.
   {Warming}.] [AS. wearmian. See {Warm}, a.]
   1. To communicate a moderate degree of heat to; to render
      warm; to supply or furnish heat to; as, a stove warms an
      apartment.

            Then shall it [an ash tree] be for a man to burn;
            for he will take thereof and warm himself. --Isa.
                                                  xliv 15

            Enough to warm, but not enough to burn.
                                                  --Longfellow.

   2. To make engaged or earnest; to interest; to engage; to
      excite ardor or zeal; to enliven.

            I formerly warmed my head with reading controversial
            writings.                             --Pope.

            Bright hopes, that erst bosom warmed. --Keble.

Source : WordNet®

warmed
     adj : having been warmed up; "a cup of warmed milk"