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English definition of “calyx”

calyx

noun [C]     /ˈkeɪ.lɪks/ (plural calyces /ˈkeɪ.lɪ.siːz/ or calyxes) specialized
the outer part of a flower formed by the sepals (= separate outer parts), which covers and protects the petals, etc. as they developParts of plants
(Definition of calyx noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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