n., pl., ca·lyx·es, or ca·ly·ces (kā'lĭ-sēz', kăl'ĭ-).
- The sepals of a flower considered as a group.
- A cuplike structure or organ, such as one of the cuplike divisions of the pelvis or of the kidney.
- A collecting structure in the kidney.
[Latin calyx, calyc-, from Greek kalux.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.