petiole (Noun) A narrow or constricted segment of the body of an insect. Used especially to refer to the metasomal segment of Hymenoptera such as wasps.
petiole (Noun) The stalk at the base of the nest of the paper wasp .
petiole (n.) A leafstalk; the footstalk of a leaf, connecting the blade
with the stem. See Illust. of Leaf.
petiole (n.) A stalk or peduncle.
Chambers DictionaryChamber's 20th Century Dictionary📕
petiole pet′i-ōl, n. the stalk which joins
a leaf to the twig or branch: a footstalk—also Petī′olus.—adjs.Pet′iolar, -y,
pertaining to, or growing upon, a petiole; Pet′iolāte, -d, Pet′ioled,
growing on a petiole.—n.Pet′iolule, a little or partial petiole.
[Fr.,—L. petiolus, a little foot—pes,
pedis, a foot.]
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