Crossword Genius

Fool; artery problem (4)

Ross

I believe the answer is:

clot

This clue is a double definition.

'fool' is the first definition.
(I've seen this before)

'artery problem' is the second definition.
(I've seen this in another clue)

(Other definitions for clot that I've seen before include "Coagulate - fool" , "3 [DUMMY]" , "A lump in a blood vessel" , "Clumsy person" , "Curdle - idiot" .)

I've seen this clue in The Times.
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