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  1. pulvinus

    • IPA[pəlˈvīnəs]

    美式

    • n.
      an enlarged section at the base of a leaf stalk in some plants that is subject to changes of turgor, leading to movements of the leaf or leaflet.
    • noun: pulvinus, plural noun: pulvini

    • 更多解釋
    • IPA[pʌlˈvʌɪnəs]

    英式

    • n.
      an enlarged section at the base of a leaf stalk in some plants, which is subject to changes of ...

    Oxford Dictionary