The phrase "calla lilies" refers to a type of flower called calla lily. It is often used to describe something that is delicate, elegant, and beautiful. Full definition
A larger pot is sitting inside of a basket on my coffee table, with calla lilies potted inside of it. (irisnacole.com)
This year I went with dark maroon, well almost black Calla Lilies, orange Habanero peppers, dark red foliage from our yard and some other affordable fall flowers from the local market. (cuckoo4design.com)
Mini Calla lilies in a silver cup stand next to a crystal that was a present from Patrick's grandfather. (newyorksocialdiary.com)