pulvinus

noun
pul·​vi·​nus | \ ˌpəl-ˈvī-nəs How to pronounce pulvinus (audio) , -ˈvē- How to pronounce pulvinus (audio) \
plural pulvini\ ˌpəl-​ˈvī-​ˌnī How to pronounce pulvini (audio) , -​ˈvē-​(ˌ)nē \

Definition of pulvinus

: a swelling at the base of a petiole or petiolule

First Known Use of pulvinus

circa 1857, in the meaning defined above

History and Etymology for pulvinus

New Latin, from Latin, cushion

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The first known use of pulvinus was circa 1857

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Cite this Entry

“Pulvinus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pulvinus. Accessed 6 Jun. 2020.

More from Merriam-Webster on pulvinus

Britannica.com: Encyclopedia article about pulvinus

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