from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The sepals of a flower considered as a group.
- n. A cuplike structure or organ, such as one of the cuplike divisions of the pelvis or of the kidney.
- n. A collecting structure in the kidney.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A cup-like structure in the mammalian kidney.
- n. The outermost whorl of flower parts, comprising the sepals, when it is not the same in appearance as the next such whorl (the corolla).
- n. The crown of a crinoid.
from the GNU version of the Collaborative International Dictionary of English
- n. The covering of a flower. See flower.
- n. A cuplike division of the pelvis of the kidney, which surrounds one or more of the renal papillæ.
from The Century Dictionary and Cyclopedia
- n. In botany, in general, the outer set of the envelops which form the perianth of a flower.
- n. In human anatomy, one of the cup-like or infundibuliform beginnings of the ureter in the pelvis of the kidney, surrounding the apices of the Malpighian pyramids, each receiving usually more than one pyramid.
- n. In zoology: The cup at the base of the ciliated tentacles on the lophophore or oral disk of polyzoans. See Plumatella.
- n. The pedicellated Graafian follicle, ovarian capsule, or ovisac of a bird, consisting of two membranes of lax tissue and blood-vessels, rupturing at a point called the stigma to discharge the ovum, then collapsing, and finally becoming absorbed.
- n. In crinoids, the cup at the summit of the stȧlk or stem, whence the brachia radiate and on the surface of which is the mouth.
- n. In Hydrozoa, a generative capsule developed in the axils of a branched hydroid stock, containing either medusa-buds or sexual organs.
- n. Some other calyciform or cup-shaped part or organ of an animal.
- n. The expanded, cup-like, deciduous structure on the ends of the stems of certain entoproctous Polyzoa, containing most of the organs and hence practically an individual.
- n. A depression formed by the more or less reticulate folding of the skin, as in the intromittent organs of snakes.
- n. A cup-shaped excavation on the surface of the ovary which remains after the rupture of a Graafian vesicle.
- n. Any circular piece which resembles in form the calyx of a flower.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (botany) the whorl of sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing and supporting the developing bud; usually green
Latin calyx, calyc-, from Greek kalux.(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin calyx, from Ancient Greek κάλυξ (kalux, "case of a bud, husk"). (Wiktionary)