What does the cryptic crossword clue "Space bears with hair? Some kind of mystery (10)" mean?

The wordplay uses a container (one word inside another). LOCKED (synonym="LOCKED") + ROOM (synonym="ROOM") = LOCKEDROOM The answer is LOCKEDROOM.

Space bears with hair? Some kind of mystery (10)

Independent Cryptic #12064 | 1 Down | 2025-06-09 flower