The Collaborative International Dictionary of English v.0.48:

Flocculent \Floc"cu*lent\, a. [See Flock of wool.]
   1. Clothed with small flocks or flakes; woolly. --Gray.
      [1913 Webster]

   2. (Zool.) Applied to the down of newly hatched or unfledged
      birds.
      [1913 Webster]

   3. (Chem.) Having a structure like shredded wool, as some
      precipitates.
      [Webster 1913 Suppl.]

Moby Thesaurus II by Grady Ward, 1.0:

28 Moby Thesaurus words for "flocculent":
   asperous, bristly, bushy, cirrose, flaky, fleecy, furfuraceous,
   furry, fuzzy, hairy, hirsute, hispid, lanate, lentiginous,
   lepidote, matted, pilose, pubescent, scabby, scabious, scabrous,
   scaly, scurfy, shagged, shaggy, squamous, unshorn, woolly