The Collaborative International Dictionary of English v.0.48:

Humoral \Hu"mor*al\, a. [Cf. F. humoral.]
   Pertaining to, or proceeding from, the humors; as, a humoral
   fever.
   [1913 Webster]

   Humoral pathology (Med.), the pathology, or doctrine of the
      nature of diseases, which attributes all morbid phenomena
      to the disordered condition of the fluids or humors of the
      body.
      [1913 Webster]

WordNet (r) 3.0 (2006):

humoral
    adj 1: of or relating to bodily fluids

Moby Thesaurus II by Grady Ward, 1.0:

33 Moby Thesaurus words for "humoral":
   adrenal, bloody, chylifactive, chylifactory, chylific, eccrine,
   endocrine, exocrine, glandular, glandulous, gonadal, holocrine,
   ichorous, lachrymal, lacrimatory, luteal, merocrine, ovarian,
   pancreatic, phlegmy, prostatic, purulent, pussy, rheumy, sanious,
   serous, splenetic, suppurated, suppurating, suppurative, tearlike,
   thymic, thyroidal