Boiled article eaten by children (7)
I believe the answer is:
seethed
'boiled' is the definition.
('seethe' can be a synonym of 'boil')
'article eaten by children' is the wordplay.
'article' becomes 'the' (the definite article in English).
'eaten by' indicates putting letters inside (inserted letters get eaten).
'children' becomes 'seed' (I've seen this before).
'the' placed inside 'seed' is 'SEETHED'.
(Other definitions for seethed that I've seen before include "Boiled; was intensely angry" , "Boiled, with anger perhaps" , "Was furious" , "was fuming" , "Was very cross" .)