pulvini

Variant of pulvinus

pulvinus definition

pul·vi·nus (pul′vī′nəs)

noun pl. pulvini -·ni′ (-nī′)

Bot. an enlarged area at the base of a petiole, at a node, or at the base of a panicled branch, producing movement by growth or swelling

Etymology: ModL < L, pillow, elevation

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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