crab cactus

noun

a cactus, Schlumbergera truncata (or Zygocactus truncatus), native to Brazil, having stems with leaflike segments and showy red flowers and often cultivated as a houseplant.

Origin of crab cactus

An Americanism dating back to 1895–1900

Also called Thanksgiving cactus.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018