The Collaborative International Dictionary of English v.0.48:

Baking \Bak"ing\, n.
   1. The act or process of cooking in an oven, or of drying and
      hardening by heat or cold.
      [1913 Webster]

   2. The quantity baked at once; a batch; as, a baking of
      bread.
      [1913 Webster]

   Baking powder, a substitute for yeast, usually consisting
      of an acid, a carbonate, and a little farinaceous matter.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bake \Bake\ (b[=a]k), v. t. [imp. & p. p. Baked (b[=a]kt); p.
   pr. & vb. n. Baking.] [AS. bacan; akin to D. bakken, OHG.
   bacchan, G. backen, Icel. & Sw. baka, Dan. bage, Gr. fw`gein
   to roast.]
   1. To prepare, as food, by cooking in a dry heat, either in
      an oven or under coals, or on heated stone or metal; as,
      to bake bread, meat, apples.
      [1913 Webster]

   Note: Baking is the term usually applied to that method of
         cooking which exhausts the moisture in food more than
         roasting or broiling; but the distinction of meaning
         between roasting and baking is not always observed.
         [1913 Webster]

   2. To dry or harden (anything) by subjecting to heat, as, to
      bake bricks; the sun bakes the ground.
      [1913 Webster]

   3. To harden by cold.
      [1913 Webster]

            The earth . . . is baked with frost.  --Shak.
      [1913 Webster]

            They bake their sides upon the cold, hard stone.
                                                  --Spenser.
      [1913 Webster]

WordNet (r) 3.0 (2006):

baking
    adj 1: as hot as if in an oven [syn: baking, baking hot]
    n 1: making bread or cake or pastry etc.
    2: cooking by dry heat in an oven

Moby Thesaurus II by Grady Ward, 1.0:

60 Moby Thesaurus words for "baking":
   ardent, barbecuing, basting, blistering, boiling, braising,
   brewing, broil, broiling, burning, burning hot, canicular,
   catering, cookery, cooking, cuisine, culinary science,
   domestic science, ebullient, feverish, fiery, flushed, frying,
   grilling, heated, home economics, hot, hot as fire, hot as hell,
   like a furnace, like an oven, nutrition, overheated, overwarm,
   pan-broiling, parching, piping hot, poaching, red-hot, roasting,
   sauteing, scalding, scorching, searing, seething, shirring,
   simmering, sizzling, sizzling hot, smoking hot, steeping, stewing,
   sudorific, sweating, sweaty, sweltering, sweltry, toasting, torrid,
   white-hot