any plant of the aroid genus Arum, of Europe and the Mediterranean region, having arrow-shaped leaves and a typically white spathe
See also cuckoopint
2. arum lily
Word origin
C16: from Latin, a variant of aros wake-robin, from Greek aron
arum in American English
(ˈɛrəm; ˈærəm)
noun
1.
any plant of the arum family (esp. genus Arum) which is characterized by small flowers on a thick spike, within a hoodlike leaf
adjective
2.
designating a family (Araceae, order Arales) of monocotyledonous plants growing throughout theworld, including the jack-in-the-pulpit and skunk cabbage