/ klɒt; NAmE klɑːt/ noun , verb
■ noun
1.
= blood clot :
They removed a clot from his brain.
2.
( old-fashioned , BrE , informal ) a stupid person
■ verb
( -tt- ) when blood or cream clots or when sth clots it, it forms thick lumps or clots :
[ v ]
a drug that stops blood from clotting during operations
[ vn ]
the blood clotting agent, Factor 8
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WORD ORIGIN
Old English clott , clot , of Germanic origin; related to German Klotz .