Definition of arum
: any of a genus (Arum of the family Araceae, the arum family) of Eurasian plants having usually arrow-shaped leaves and a showy spathe partially enclosing a spadix; broadly : a plant of the arum family
Origin of arum
New Latin, from Latin arum, from Greek aron
First Known Use: 14th century
Learn More about arum
Britannica.com: Encyclopedia article about "arum"
Seen and Heard
What made you want to look up arum? Please tell us where you read or heard it (including the quote, if possible).