Dictionary

Christmas cactus

noun

Definition of CHRISTMAS CACTUS

:  a branching Brazilian cactus (Schlumbergera bridgesii syn. S. buckleyi) having flat jointed stems with scalloped margins and showy usually red, pink, white, violet, or yellow flowers; also :  a related cactus (Schlumbergera truncata syn. Zygocactus truncatus) or a hybrid of this and the Christmas cactus

Origin of CHRISTMAS CACTUS

from its annual blooming around Christmastime
First Known Use: circa 1900

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