[ar.um] n [NL, fr. L arum, fr. Gk aron] (14c): any of a genus (Arum of the family Araceae, the arum family) of Old World plants having usu. arrow-shaped leaves and a showy spathe partially enclosing a spadix; broadly: a plant of the arum family
ARUM
Meaning of ARUM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012