The Collaborative International Dictionary of English v.0.48:

Farinaceous \Far`i*na"ceous\, a. [L. farinaceus.]
   1. Consisting or made of meal or flour; as, a farinaceous
      diet.
      [1913 Webster]

   2. Yielding farina or flour; as, ffarinaceous seeds.
      [1913 Webster]

   3. Like meal; mealy; pertaining to meal; as, a farinaceous
      taste, smell, or appearance.
      [1913 Webster]

WordNet (r) 3.0 (2006):

farinaceous
    adj 1: resembling starch [syn: starchlike, amylaceous,
           amyloid, amyloidal, farinaceous]
    2: composed of or covered with particles resembling meal in
       texture or consistency; "granular sugar"; "the photographs
       were grainy and indistinct"; "it left a mealy residue" [syn:
       farinaceous, coarse-grained, grainy, granular,
       granulose, gritty, mealy]

Moby Thesaurus II by Grady Ward, 1.0:

61 Moby Thesaurus words for "farinaceous":
   botanic, branny, bulbous, cereal, chalklike, chalky, comminute,
   comminuted, crushed, detrital, detrited, disintegrated, dusty,
   efflorescent, fine, flaky, floury, fruitlike, fruity, furfuraceous,
   gone to dust, grated, ground, herbaceous, herbal, herbose, herbous,
   herby, impalpable, leguminose, leguminous, levigated, mealy,
   milled, pestled, plantlike, powdered, powdery, pulverant,
   pulverized, pulverulent, radicated, radiciform, radicular,
   reduced to powder, rhizoid, rootlike, scaly, scobicular, scobiform,
   scurfy, sharded, shredded, triturated, tuberous, vegetable,
   vegetal, vegetarian, vegetational, vegetative, weedy