Last Updated :2025/11/20

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(botany) The outermost whorl of flower parts, comprising the sepals, which covers and protects the petals as they develop. / A chamber in the mammalian kidney through which urine passes.

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calyx

Before the rose opened, the calyx gently held the petals together, shielding them from the rain.

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Before the rose opened, the calyx gently held the petals together, shielding them from the rain.

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