living rock

Noun

 * 1)  Rock that is carved in situ.
 * 2) Any of various dwarf succulent plants that resemble stones.
 * , a tunicate that resembles a mass of organs inside a rock.
 * 1) Any of various dwarf succulent plants that resemble stones.
 * , a tunicate that resembles a mass of organs inside a rock.
 * , a tunicate that resembles a mass of organs inside a rock.