cast-iron plant is a noun meaning "evergreen perennial with large handsome basal leaves; grown primarily as a foliage houseplant". It carries one recorded sense.
evergreen perennial with large handsome basal leaves; grown primarily as a foliage houseplant
Definitions, synonyms and semantic relations for cast-iron plant come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.