What is the meaning of Calyx?

The outermost whorl of flower parts, comprising the sepals, which covers and protects the petals as they develop.

Any of various cup-like structures.

1. A chamber in the mammalian kidney through which urine passes.
2. The crown containing the viscera of crinoids and similar echinoderms, entoprocts, and the polyps of some cnidarians.
3. A funnel-shaped expansion of the vas deferens or oviduct of insects.
4. A flattened cap of neuropil in the brain of insects.

A chamber in the mammalian kidney through which urine passes.

The crown containing the viscera of crinoids and similar echinoderms, entoprocts, and the polyps of some cnidarians.

A funnel-shaped expansion of the vas deferens or oviduct of insects.

A flattened cap of neuropil in the brain of insects.

the bud, cup, or calyx of a flower or nut

a plant of two kinds, resembling the arum; perhaps the monk's hood

:

1. epicarp (the outermost layer of various fruits)
2. an eggshell
3. a fitting on a Roman pipe

epicarp (the outermost layer of various fruits)

an eggshell

a fitting on a Roman pipe

Source: wiktionary.org