arum family

[air-uh m]
  1. the plant family Araceae, characterized by herbaceous plants having numerous tiny flowers on a fleshy spike above or sheathed by a large spathe, and including the anthurium, calla lily, jack-in-the-pulpit, and philodendron.

Origin of arum family

1545–55; < Latin < Greek áron wake-robin
Related formsar·um·like, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018