any plant of the arum family
Any of various perennial herbs in the family Araceae, having tiny flowers crowded in a spadix that is subtended by a spathe and including houseplants such as anthurium, dieffenbachia, and philodendron.
Origin of aroidar(um) + –oid.
- (informal) Any plant of the family Araceae, found chiefly in the tropics.
- arum (plant of genus Arum)