petiole
Americannoun
-
Botany. the slender stalk by which a leaf is attached to the stem; leafstalk.
-
Zoology. a stalk or peduncle, as that connecting the abdomen and thorax in wasps.
noun
-
the stalk by which a leaf is attached to the rest of the plant
-
zoology a slender stalk or stem, such as the connection between the thorax and abdomen of ants
Etymology
Origin of petiole
1745–55; < New Latin petiolus leafstalk, special use of Latin petiolus, scribal variant of peciolus, probably for *pediciolus, diminutive of pediculus pedicle
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"The abdomen and cephalothorax of spiders are closely attached, while in ants the equivalent of these body parts are separated by a narrow segment called the petiole," Poinar said.
From Science Daily ● Mar. 22, 2024
Our research project uses a portable spectrophotometer to rapidly determine petiole nutrient values in a potato field.
From Salon ● Nov. 28, 2023
A challenge when conducting tissue analysis lies in the precise selection of the appropriate petiole for sampling.
From Salon ● Nov. 28, 2023
Leaves that do not have a petiole and are directly attached to the plant stem are called sessile leaves.
From Textbooks ● Jun. 9, 2022
Buds flat, sheathed by the successive pairs of flat and broad stipules joined at their edges, the folded leaves bent down on the petiole so that the apex points to the base of the bud.
From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Asa Gray
Random Word
Spin the wheel and learn a new word!
Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
