'Calla' definitions:

Definition of 'calla'

From: WordNet
noun
South African plant widely cultivated for its showy pure white spathe and yellow spadix [syn: calla lily, calla, arum lily, Zantedeschia aethiopica]
noun
Water arum [syn: Calla, genus Calla]

Definition of 'Calla'

From: GCIDE
  • Calla \Cal"la\ (k[a^]l"l[.a]), n. [Linn[ae]us derived Calla fr. Gr. ??????? a cock's wattles but cf. L. calla, calsa, name of an unknown plant, and Gr. kalo`s beautiful.] (Bot.) A genus of plants, of the order Arace[ae]. [1913 Webster]
  • Note: The common Calla of cultivation is {Richardia Africana}, belonging to another genus of the same order. Its large spathe is pure white, surrounding a fleshy spike, which is covered with minute apetalous flowers. [1913 Webster]