rattail cactus is a noun meaning "commonly cultivated tropical American cactus having slender creeping stems and very large showy crimson flowers that bloom for several days". It carries one recorded sense.
commonly cultivated tropical American cactus having slender creeping stems and very large showy crimson flowers that bloom for several days
Definitions, synonyms and semantic relations for rattail cactus come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.