From 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. [1913 Webster]
3. To take at a certain rent or rate. [1913 Webster]
4. To devote (land) to agriculture; to cultivate, as land; to till, as a farm. [1913 Webster]
To farm let, To let to farm, to lease on rent. [1913 Webster]
From 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]
From The Collaborative International Dictionary of English v.0.48:
Farming \Farm"ing\, n. The business of cultivating land. [1913 Webster]