calyx

Meanings

1. 1
   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

   The green calyx protected the flower before it opened.

From Latin calyx, from Ancient Greek κάλυξ (kálux, “case of a bud, husk”). Doublet of chalice and kelch.

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