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pulvinus

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noun pul·vi·nus \ˌpəl-ˈvī-nəs, -ˈvē-\

Definition of pulvinus

plural

pulvini

play \-ˈvī-ˌnī, -ˈvē-(ˌ)nē\

  1. :  a swelling at the base of a petiole or petiolule

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Origin and Etymology of pulvinus

New Latin, from Latin, cushion

Learn More about pulvinus

  1. Britannica.com: Encyclopedia article about pulvinus

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