a cactus, Schlumbergera bridgesii (or Zygocactus bridgesii), native to Brazil, having stems with leaflike segments and showy, purplish-red flowers, and often cultivated as a houseplant.
Origin of Christmas cactus
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a Brazilian cactus, Schlumbergera (formerly Zygocactus) truncatus, widely cultivated as an ornamental for its showy red flowers
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012