Definitions for callaˈkæl ə
Random House Webster's College Dictionary
Also called cal′la lil`y. any of several plants belonging to the genus Zantedeschia, of the arum family, esp. Z. aethiopica, having arrow-shaped leaves and a large white spathe enclosing a yellow spike.
Origin of calla:
1800–10; < NL (Linnaeus), of uncert. orig.
calla lily, calla, arum lily, Zantedeschia aethiopica(noun)
South African plant widely cultivated for its showy pure white spathe and yellow spadix
Calla, genus Calla(noun)
A South African marsh plant, of the genus Calla, having pale green flowers in a white spathe
a genus of plants, of the order Araceae