What does the cryptic crossword clue "Rocks back, kisses me, gently content (4)" mean?

The definition is "Rocks". The wordplay uses hidden reversed. Hidden reversed in "rocks back, kisseS ME, Gently content" The answer is GEMS.

Rocks back, kisses me, gently content (4)

Guardian Cryptic #29684 | 20 Across | 2025-05-02 flower