petiole

  1. Noun.  (botany) The stalk of a leaf, attaching the blade to the stem.
  2. Noun.  (entomology) 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. Noun.  (entomology) The stalk at the base of the nest of the paper wasp.

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This entry was last updated on RefTopia from its source on 3/20/2012.