The Collaborative International Dictionary of English v.0.48:

Sweat \Sweat\, v. i. [imp. & p. p. Sweat or Sweated (Obs.
   Swat); p. pr. & vb. n. Sweating.] [OE. sweten, AS.
   swaetan, fr. sw[=a]t, n., sweat; akin to OFries. & OS.
   sw[=e]t, D. zweet, OHG. sweiz, G. schweiss, Icel. sviti,
   sveiti, Sw. svett, Dan. sved, L. sudor sweat, sudare to
   sweat, Gr. ?, ?, sweat, ? to sweat, Skr. sv[=e]da sweat, svid
   to sweat. [root]178. Cf. Exude, Sudary, Sudorific.]
   1. To excrete sensible moisture from the pores of the skin;
      to perspire. --Shak.
      [1913 Webster]

   2. Fig.: To perspire in toil; to work hard; to drudge.
      [1913 Webster]

            He 'd have the poets sweat.           --Waller.
      [1913 Webster]

   3. To emit moisture, as green plants in a heap.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Sweating \Sweat"ing\,
   a. & n. from Sweat, v.
   [1913 Webster]

   Sweating bath, a bath producing sensible sweat; a stove or
      sudatory.

   Sweating house, a house for sweating persons in sickness.


   Sweating iron, a kind of knife, or a piece of iron, used to
      scrape off sweat, especially from horses; a horse scraper.


   Sweating room.
   (a) A room for sweating persons.
   (b) (Dairying) A room for sweating cheese and carrying off
       the superfluous juices.

   Sweating sickness (Med.), a febrile epidemic disease which
      prevailed in some countries of Europe, but particularly in
      England, in the fifteenth and sixteenth centuries,
      characterized by profuse sweating. Death often occured in
      a few hours.
      [1913 Webster]

WordNet (r) 3.0 (2006):

sweating
    n 1: the process of the sweat glands of the skin secreting a
         salty fluid; "perspiration is a homeostatic process" [syn:
         perspiration, sweating, diaphoresis, sudation,
         hidrosis]