Petiole
WordNet
noun
(1) The slender stem that supports the blade of a leaf
WiktionaryText
Noun
- The stalk of a leaf, attaching the blade to the stem.
- A narrow or constricted segment of the body of an insect. Used especially to refer to the metasomal segment of Hymenoptera such as wasps. Alternate form: pedicel.
- The stalk at the base of the nest of the paper wasp.