clot

(noun) a lump of material formed from the content of a liquid. Synonyms: coagulum.

(verb) change from a liquid to a thickened or solid state. Synonyms: coagulate. Example: "Coagulated blood."

(verb) cause to change from a liquid to a solid or thickened state. Synonyms: coagulate.

(verb) turn into curds. Synonyms: curdle, clabber. Example: "Curdled milk."

(verb) coalesce or unite in a mass. Synonyms: clog. Example: "Blood clots."