Definition of calyxes:
(n) :
(botany) The outermost whorl of flower parts, comprising the sepals, which covers and protects the petals as they develop.
(n) :
A chamber in the mammalian kidney through which urine passes.
(n) :
(zoology, anatomy) Any of various cup-like structures.
(n) :
A funnel-shaped expansion of the vas deferens or oviduct of insects.
(n) :
The crown containing the viscera of crinoids and similar echinoderms, entoprocts, and the polyps of some cnidarians.
(n) :
A flattened cap of neuropil in the brain of insects.