calyx - definition of calyx by the Free Online Dictionary, Thesaurus and Encyclopedia.
ca·lyx (k l ks, k l ks) n. pl. ca·lyx·es or ca·ly·ces (k l-s z, k l-) 1. The sepals of a flower considered as a group. 2. A cuplike structure or organ, such as one of the cuplike divisions of the pelvis or of the kidney. 3. A collecting structure in the k
