Definitions for petioleˈpɛt iˌoʊl

This page provides all possible meanings and translations of the word petiole

Random House Webster's College Dictionary

pet•i•oleˈpɛt iˌoʊl(n.)

  1. the slender stalk by which a leaf is attached to the stem; leafstalk.

    Category: Botany

  2. a stalk or peduncle, as that connecting the abdomen and thorax in wasps.

    Category: Zoology

Origin of petiole:

1745–55; < NL petiolus, L petiolus,peciolus, prob. for *pediciolus, dim. of pediculuspedicle

Princeton's WordNet

  1. petiole, leafstalk(noun)

    the slender stem that supports the blade of a leaf


  1. petiole(Noun)

    The stalk of a leaf, attaching the blade to the stem.

  2. 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.

  3. petiole(Noun)

    The stalk at the base of the nest of the paper wasp.

  4. Origin: From pétiole, and its source, petiolus, diminuitive form of pes.

Webster Dictionary

  1. Petiole(noun)

    a leafstalk; the footstalk of a leaf, connecting the blade with the stem. See Illust. of Leaf

  2. Petiole(noun)

    a stalk or peduncle


  1. Petiole

    In botany, the petiole is the stalk attaching the leaf blade to the stem. The petiole is the transition between the stem and the leaf blade, and usually has the same internal structure as the stem. Outgrowths appearing on each side of the petiole are called stipules. Leaves lacking a petiole are called sessile, or clasping when they partly surround the stem. Clasping leaves of the Poaceae have an extra structure called the ligule. Petiolate leaves are ones where the petiole connects to the leaf before its apex.


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