1. (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 calyx of a tulip is often mistaken for petals due to its colourful appearance";
   - calix

Sounds like: calix

Derived forms: calyxes, calyces

Type of: coil, curl, curlicue, gyre, ringlet, roll, scroll, whorl

Part of: chlamys, floral envelope, perianth, perigone, perigonium

Encyclopedia: Calyx, A Journal of Art and Literature