The Collaborative International Dictionary of English v.0.48:

Ranch \Ranch\ (r[a^]nch), v. t. [Written also raunch.] [Cf.
   Wrench.]
   To wrench; to tear; to sprain; to injure by violent straining
   or contortion. [R.] --Dryden. "Hasting to raunch the arrow
   out." --Spenser.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ranch \Ranch\, n. [See Rancho.]
   A tract of land used for grazing and the rearing of horses,
   cattle, or sheep. See Rancho, 2. [Western U. S.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

ranch
    n 1: farm consisting of a large tract of land along with
         facilities needed to raise livestock (especially cattle)
         [syn: ranch, spread, cattle ranch, cattle farm]
    v 1: manage or run a ranch; "Her husband is ranching in Arizona"

Moby Thesaurus II by Grady Ward, 1.0:

70 Moby Thesaurus words for "ranch":
   arable land, barnyard, barton, breed, cattle ranch, chicken farm,
   collective farm, cotton plantation, croft, crop, culture,
   dairy farm, demesne, demesne farm, dry farm, dryfarm, dude ranch,
   estate, factory farm, fallow, farm, farmery, farmhold, farmland,
   farmplace, farmstead, farmyard, fatten, feed, fruit farm, fur farm,
   garden, grain farm, grange, grassland, grow, hacienda, hatch,
   home place, homecroft, homefarm, homestead, house and grounds,
   house and lot, keep, kibbutz, kolkhoz, location, mains, manor farm,
   messuage, nurture, orchard, pasture, pen, place, plantation,
   poultry farm, raise, rancheria, rancho, rear, run, sharecrop,
   sheep farm, station, steading, stock farm, toft, truck farm