Source : Webster's Revised Unabridged Dictionary (1913)

Grumous \Gru"mous\, a. [Cf. F. grumeleux. See {Grume}.]
   1. Resembling or containing grume; thick; concreted; clotted;
      as, grumous blood.

   2. (Bot.) See {Grumose}.

Source : WordNet®

grumous
     adj : transformed from a liquid into a soft semisolid or solid
           mass; "coagulated blood"; "curdled milk"; "grumous
           blood" [syn: {coagulate}, {coagulated}, {curdled}, {grumose}]