living rock

/ˌlɪvɪŋ rɑk/

Other forms: living rocks

Definitions of living rock

1. noun

   usually unbranched usually spineless cactus covered with warty tubercles and having magenta flowers and white or green fruit; resembles the related mescal; northeastern Mexico and southwestern United States
   synonyms: Ariocarpus fissuratus

   type of:

   cactus

   any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines
2. noun

   highly succulent stemless clump-forming plants with grey-green leaves similar in texture to lumps of granite; South Africa
   synonyms: living granite, stone mimicry plant

   type of:

   succulent

   a plant adapted to arid conditions and characterized by fleshy water-storing tissues that act as water reservoirs