Cras'sa·ment (kr?s's?-m e nt), Cras`sa*men'tum (-m?n't?m) noun [ Latin crassamentum , from crassare to make thick. See Crass , adjective ] A semisolid mass or clot, especially that formed in coagulation of the blood. Found on http://www.encyclo.co.uk/webster/C/182