American Heritage® Dictionary of the English Language, Fourth Edition
- n. The stalk of a leaflet in a compound leaf.
Century Dictionary and Cyclopedia
- n. In botany, a little or partial petiole, such as belong to the leaflets of compound leaves.
GNU Webster's 1913
- n. (Bot.) A small petiole, or the petiole of a leaflet.
- n. the stalk of a leaflet
“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.”
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