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Definition of calyx
calyx
/ˈkeɪ.lɪks/
ca · lyx
Plural:calyces
•Adjective:calycine
calyx Lexical Profile
CEFR
C1
Grade
10
Tier
3
Usage
Rare
calyx Game Scores & Validity
Scrabble US
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WWF
Wordle Guess
• noun
1
The outermost whorl of a flower, consisting of sepals that typically enclose and protect the petals during the bud stage.
Example
"As the rosebud swelled, the green calyx peeled back to reveal the brilliant crimson petals inside."
2
A cup-like anatomical cavity or structure, particularly one of the funnel-shaped recesses in the kidney that collects urine.
Example
"A kidney stone can cause severe localized pain if it becomes lodged within a renal calyx."
Synonyms
View all synonyms for calyx• Rhymes for calyx
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Word Origin & Etymology
From Latin 'calyx', derived from Ancient Greek 'kályx' (casing, husk, pod, shell), from the Proto-Indo-European root '*kel-' (to cover, conceal).
Cite this Entry
Wordmom. (2026). Definition of Calyx. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/calyx