pebble plant is a noun meaning "any of several South African plants of the genus Mesembryanthemum cultivated for showy pink or white flowers". It carries one recorded sense.
any of several South African plants of the genus Mesembryanthemum cultivated for showy pink or white flowers
Definitions, synonyms and semantic relations for pebble plant come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.