araceous

from WordNet (r) 3.0 (2006)

araceous
    adj 1: relating to a plant of the family Araceae [syn: {aroid},
           {araceous}]

from The Collaborative International Dictionary of English v.0.48

Araceous \A*ra"ceous\, a. [L. arum a genus of plants, fr. Gr.
   ?.] (Bot.)
   Of or pertaining to an order of plants, of which the genus
   {Arum} is the type.
   [1913 Webster]