I. clot 1 /klɒt $ klɑːt/ BrE AmE verb ( past tense and past participle clotted , present participle clotting ) [intransitive and transitive]
if a liquid such as blood or milk clots, or if something clots it, it becomes thicker and more solid
⇨ ↑ clotted cream
II. clot 2 BrE AmE noun [countable]
[ Language: Old English ; Origin: clott ]
1 . a thick almost solid mass formed when blood or milk dries:
He developed a blood clot on his brain and died.
2 . British English informal a stupid person