The Collaborative International Dictionary of English v.0.48:

Farm \Farm\, v. t. [imp. & p. p. Farmed; p. pr. & vb. n.
   Farming.]
   1. To lease or let for an equivalent, as land for a rent; to
      yield the use of to proceeds.
      [1913 Webster]

            We are enforced to farm our royal realm. --Shak.
      [1913 Webster]

   2. To give up to another, as an estate, a business, the
      revenue, etc., on condition of receiving in return a
      percentage of what it yields; as, to farm the taxes.
      [1913 Webster]

            To farm their subjects and their duties toward
            these.                                --Burke.
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   3. To take at a certain rent or rate.
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   4. To devote (land) to agriculture; to cultivate, as land; to
      till, as a farm.
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   To farm let, To let to farm, to lease on rent.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Farming \Farm"ing\, a.
   Pertaining to agriculture; devoted to, adapted to, or engaged
   in, farming; as, farming tools; farming land; a farming
   community.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Farming \Farm"ing\, n.
   The business of cultivating land.
   [1913 Webster]

WordNet (r) 3.0 (2006):

farming
    adj 1: relating to rural matters; "an agrarian (or agricultural)
           society"; "farming communities" [syn: agrarian,
           agricultural, farming(a)]
    n 1: the practice of cultivating the land or raising stock [syn:
         farming, agriculture, husbandry]
    2: agriculture considered as an occupation or way of life;
       "farming is a strenuous life"; "there's no work on the land
       any more" [syn: farming, land]

Moby Thesaurus II by Grady Ward, 1.0:

36 Moby Thesaurus words for "farming":
   agrarian, agrarianism, agricultural, agricultural geology,
   agriculture, agrology, agronomic, agronomics, agronomy, arable,
   contour farming, cultivation, culture, dirt farming, dry farming,
   dryland farming, farm, farm economy, fruit farming, geoponic,
   geoponics, grain farming, husbandry, hydroponics,
   intensive farming, mixed farming, rural, rural economy,
   sharecropping, strip farming, subsistence farming, tank farming,
   thremmatology, tillage, tilth, truck farming



The Free On-line Dictionary of Computing (30 December 2018):

farming

    (From Adelaide University, Australia) What the
   heads of a disk drive are said to do when they plow little
   furrows in the magnetic media during a head crash.
   Typically used as follows: "Oh no, the machine has just
   crashed; I hope the hard drive hasn't gone farming again."

   [Jargon File]

   (2001-03-26)