from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The stalk of a leaflet in a compound leaf.
from The Century Dictionary.
- noun In botany, a little or partial petiole, such as belong to the leaflets of compound leaves.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Bot.) A small petiole, or the petiole of a leaflet.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun botany The
petioleof a pinnaor pinnule.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the stalk of a leaflet
Sorry, no etymologies found.
The latter observer considers that the funiculus, with the integuments, is the equivalent of a leaflet, the petiolule or midrib of which answers to the funiculus, and its hollow expansion to the integument.