pet·​i·​ole | \ ˈpe-tē-ˌōl How to pronounce petiole (audio) \

Definition of petiole

1 : a slender stem that supports the blade of a foliage leaf
2 : peduncle specifically : a slender abdominal segment joining the rest of the abdomen to the thorax in some insects

Other Words from petiole

petioled \ ˈpe-​tē-​ˌōld How to pronounce petiole (audio) \ adjective

Examples of petiole in a Sentence

Recent Examples on the Web In the 1800s botanists proposed that the sheath part of a grass leaf represented the evolutionary equivalent of the petiole, the stalk that connects a typical plant’s leaf to its stem. Julia Rosen, Scientific American, 30 Mar. 2022 The leaflets are attached opposite each other and there is one leaflet on the end of the petiole so that the leaf always has an odd number, with either three, five or seven leaflets. Rita Perwich, San Diego Union-Tribune, 5 Feb. 2022 An oak has a simple leaf with a small stem or petiole that attaches the leaf to the branch; but hickory has a compound leaf. Janet B. Carson, Arkansas Online, 15 May 2021 The leaflets of the frond are attached on a petiole or stem. Janet B. Carson, Arkansas Online, 15 May 2021 Cut an adult leaf off a healthy plant, leaving about 2 inches of petiole (a.k.a. Heather Arndt Anderson, Sunset Magazine, 13 Jan. 2020 Poke a hole in fresh potting soil, about as deep as the petiole is long. Heather Arndt Anderson, Sunset Magazine, 13 Jan. 2020 Remove fruit with decisive cuts rather than yanking them off the petioles. oregonlive, 14 Sep. 2019 The leaves are on long, arching stems and are deeply serrated, with leaf petioles having a hot pink hue. Norman Winter, sacbee, 6 July 2018 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'petiole.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of petiole

1753, in the meaning defined at sense 1

History and Etymology for petiole

New Latin petiolus, from Latin petiolus, peciolus small foot, fruit stalk, probably alteration of Latin *pediciolus, diminutive of pediculus, diminutive of ped-, pes foot — more at foot

Learn More About petiole

Time Traveler for petiole

Time Traveler

The first known use of petiole was in 1753

See more words from the same year

Dictionary Entries Near petiole




See More Nearby Entries 

Statistics for petiole

Last Updated

8 Apr 2022

Cite this Entry

“Petiole.” Dictionary, Merriam-Webster, Accessed 24 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for petiole


pet·​i·​ole | \ ˈpe-tē-ˌōl How to pronounce petiole (audio) \

Kids Definition of petiole

: the slender stem of a leaf

More from Merriam-Webster on petiole Encyclopedia article about petiole


Test Your Vocabulary

Name That Color

  • a light greenish blue color
  • Name that color:
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!