Botany. the slender stalk by which a leaf is attached to the stem; leafstalk.
Zoology. a stalk or peduncle, as that connecting the abdomen and thorax in wasps.
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How to use petiole in a sentence
All men who attended had a head-dress made of the leaf petiole of the betel tree and the red leaves of the dongola plant.The Head Hunters of Northern Luzon From Ifugao to Kalinga | Cornelis De Witt Willcox
The petiole is long, and the auricles distant from the lower laciniæ.
The top, as the tip of a bud or the end of a leaf which is opposite the petiole.Michigan Trees | Charles Herbert Otis
Leaf-like appendages on either side of a leaf at the base of the petiole.Michigan Trees | Charles Herbert Otis
In the petiole of Mimosa pudica the velocity may be as high as 30 mm.Life Movements in Plants | Sir Jagadis Chunder Bose
British Dictionary definitions for petiole
the stalk by which a leaf is attached to the rest of the plant
zoology a slender stalk or stem, such as the connection between the thorax and abdomen of ants
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
Scientific definitions for petiole
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.