The Collaborative International Dictionary of English v.0.48:

Freeze \Freeze\, v. i. [imp. Froze (fr[=o]z); p. p. Frozen
   (fr[=o]"z'n); p. pr. & vb. n. Freezing.] [OE. fresen,
   freosen, AS. fre['o]san; akin to D. vriezen, OHG. iosan, G.
   frieren, Icel. frjsa, Sw. frysa, Dan. fryse, Goth. frius
   cold, frost, and prob. to L. prurire to itch, E. prurient,
   cf. L. prna a burning coal, pruina hoarfrost, Skr. prushv[=a]
   ice, prush to spirt. ? 18. Cf. Frost.]
   1. To become congealed by cold; to be changed from a liquid
      to a solid state by the abstraction of heat; to be
      hardened into ice or a like solid body.
      [1913 Webster]

   Note: Water freezes at 32[deg] above zero by Fahrenheit's
         thermometer; mercury freezes at 40[deg] below zero.
         [1913 Webster]

   2. To become chilled with cold, or as with cold; to suffer
      loss of animation or life by lack of heat; as, the blood
      freezes in the veins.
      [1913 Webster]

   To freeze up (Fig.), to become formal and cold in demeanor.
      [Colloq.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Freezing \Freez"ing\, a.
   Tending to freeze; for freezing; hence, cold or distant in
   manner. -- Frrez"ing*ly, adv.
   [1913 Webster]

   Freezing machine. See Ice machine, under Ice.

   Freezing mixture, a mixture (of salt and snow or of
      chemical salts) for producing intense cold.

   Freezing point, that degree of a thermometer at which a
      fluid begins to freeze; -- applied particularly to water,
      whose freezing point is at 32[deg] Fahr., and at 0[deg]
      Centigrade.
      [1913 Webster]

WordNet (r) 3.0 (2006):

freezing
    n 1: the withdrawal of heat to change something from a liquid to
         a solid [syn: freeze, freezing]

Moby Thesaurus II by Grady Ward, 1.0:

124 Moby Thesaurus words for "freezing":
   Siberian, adiabatic absorption, adiabatic demagnetization,
   adiabatic expansion, air conditioning, air cooling, algid, algific,
   anhydration, arctic, below zero, biting, bitter, bitterly cold,
   blast freezing, blast-freezing, bleak, boreal, bottling, brining,
   brisk, brumal, canning, chill, chilling, chilly, cold,
   cold as charity, cold as death, cold as ice, cold as marble,
   congealing, congealment, congelation, cooling, corning, crisp,
   cryogenics, curing, cutting, deep freezing, dehydration,
   dehydrofreezing, desiccation, dry-curing, drying,
   electric refrigeration, embalming, evaporation, food freezing,
   freezable, freeze-drying, freezing cold, frigid, frigorific,
   frosty, frozen, fuming, gas refrigeration, gelid, glaciable,
   glacial, glaciation, glacification, hibernal, hiemal, hyperboreal,
   hyperborean, ice-cold, ice-encrusted, icelike, icy, inclement,
   infrigidation, irradiation, jerking, keen, marination,
   mechanical refrigeration, mummification, nipping, nippy, numbing,
   penetrating, perishing, pickling, piercing, pinching, polar,
   potting, quick freezing, quick-freezing, raw,
   reduction of temperature, refreezing, refrigerant, refrigeration,
   refrigerative, refrigeratory, regelation, rigorous, salting,
   seasoning, severe, sharp, sharp freezing, sharp-freezing,
   shivering, shivery, sleety, slushy, smoking, snappy, stone-cold,
   stuffing, subzero, super-cooling, supercooled, taxidermy, tinning,
   winterbound, winterlike, wintery, wintry