n.
Pronunciation: ' a-r ə m, ' er- ə m
Function: noun
Etymology: New Latin, from Latin arum, from Greek aron
Date: 14th century
: 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