Dictionary.com

pulvinus

[ puhl-vahy-nuhs ]
/ pʌlˈvaɪ nəs /
Save This Word!

noun, plural pul·vi·ni [puhl-vahy-nahy]. /pʌlˈvaɪ naɪ/.
Botany. a cushionlike swelling at the base of a leaf or leaflet, at the point of junction with the axis.
Architecture. pulvinar (def. 2).
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of pulvinus

First recorded in 1855–60, pulvinus is from the Latin word pulvīnus cushion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use pulvinus in a sentence

British Dictionary definitions for pulvinus

pulvinus
/ (pʌlˈvaɪnəs) /

noun plural -ni (-naɪ)
a swelling at the base of a leafstalk: changes in its turgor pressure cause changes in the position of the leaf

Word Origin for pulvinus

C19: from Latin: cushion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK