pulvinus

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pulvinus

[‚pəl′vī·nəs]
(botany)
A cushionlike enlargement of the base of a petiole which functions in turgor movements of leaves.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

pulvinus

pulvinus, 1
1. The baluster at the side of an Ionic capital.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.