[ puhl-vahy-nuhs ]

noun,plural pul·vi·ni [puhl-vahy-nahy]. /pʌlˈvaɪ naɪ/.
  1. Botany. a cushionlike swelling at the base of a leaf or leaflet, at the point of junction with the axis.

  2. Architecture. pulvinar (def. 2).

Origin of pulvinus

First recorded in 1855–60, pulvinus is from the Latin word pulvīnus cushion

Words Nearby pulvinus

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How to use pulvinus in a sentence

British Dictionary definitions for pulvinus


/ (pʌlˈvaɪnəs) /

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

Origin of 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