What does the cryptic crossword clue "Part of chest, one drawer out of it (6)" mean?

The definition is "of it". The wordplay uses a hidden word. Hidden in "part of cheST, ONE Drawer out of it" The answer is Stoned.

Part of chest, one drawer out of it (6)

Telegraph Prize Cryptic #3099 | 8 Down | 2021-03-14 flower