What does the cryptic crossword clue "Seafood store where ragged boy rested (6,3)" mean?

The definition is "Seafood store where". The wordplay uses an anagram. anagram of BOY RESTED = OYSTERBED The answer is OYSTERBED.

Seafood store where ragged boy rested (6,3)

Guardian Cryptic #29472 | 14 Down | 2024-08-27 flower