 This refers to the involuntary picking or grasping movements sometimes seen in delirious patients in exhaustion, stupor, or high fever.The Latin-derived equivalent is floccillation which derives from "", "a piece of wool or straw".The late Latin "crocydismus", still used in continental European psychiatry, is also synonymous and derived from the ancient Greek "κροκύς" ("krokus", "bit of fluff" or "dust").