clot in WordNet English dictionary

1. turn into curds
   "curdled milk"
   curdle  clabber  clot 
   
2. coalesce or unite in a mass
   "Blood clots"
   clog  clot 
   
3. change from a liquid to a thickened or solid state
   "coagulated blood"
   clot  coagulate 
   
4. cause to change from a liquid to a solid or thickened state
   clot  coagulate 
   

1. a lump of material formed from the content of a liquid
   clot  coagulum