pulvini

pulvinus

[puhl-vahy-nuhs]
noun, plural pulvini [puhl-vahy-nahy] .
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:
1855–60; < Latin pulvīnus cushion

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World English Dictionary
pulvinus (pʌlˈvaɪnəs)
 
n , pl -ni
a swelling at the base of a leafstalk: changes in its turgor pressure cause changes in the position of the leaf
 
[C19: from Latin: cushion]

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