Definition of dieffenbachia
: any of a genus (Dieffenbachia) of erect poisonous tropical American plants of the arum family having usually variegated leaves and often grown as houseplants
Explore M-W
Origin and Etymology of dieffenbachia
New Latin, from Ernst Dieffenbach †1855 German naturalist
First Known Use: circa 1900
Seen and Heard
What made you want to look up dieffenbachia? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!