calyx

Meanings

Plural: calyces, calyxes

Noun

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