Definition of "petiole" []

• Botany The stalk by which a leaf is attached to a stem. Also called leafstalk. (noun)
• Zoology A slender, stalklike part, as that connecting the thorax and abdomen in certain insects. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Head blue in front, sides of the face cupreous-purple; mouth, antennæ, and tarsi black; arista snow-white; thorax with two almost contiguous darker stripes; abdomen æneous green, with the exception of the petiole, which is very thick; wings slightly greyish, costal half black; halteres testaceous."
• "A petiole is a stalk that attaches a leaf blade to the plant stem."
• "The petiole is a stalk that attaches a leaf blade to the stem."