Chest broke (4)
I believe the answer is:
bust
This clue is a double definition.
'chest' is the first definition.
(I know that bust is a type of chest)
'broke' is the second definition.
(synonyms)
(Other definitions for bust that I've seen before include "Head-and-shoulders piece" , "Broken; statue" , "Sculptor's piece" , "Breast - broken" , "Head-and-shoulders statue" .)