American Heritage® Dictionary of the English Language, Fourth Edition
- n. Botany The stalk by which a leaf is attached to a stem. Also called leafstalk.
- n. Zoology A slender, stalklike part, as that connecting the thorax and abdomen in certain insects.
Century Dictionary and Cyclopedia
- n. In botany, a leafstalk; the stalk or support by which the blade or limb of a leaf is attached to the stem. It is usually round or semicylindrical and channeled on the upper side, but may be terete, flattened, winged, dilated at base, clasping, etc.
- n. In entomology, the slender sclerite or sclerites by which the abdomen of many insects is united to the thorax. It is prominent in many Hymenoptera, as the slender part of a wasp; it is usually one-jointed, but sometimes two-jointed, and rarely three-jointed. In certain ants it carries one or more swellings which are important in classification. See cuts under
- n. botany The stalk of a leaf, attaching the blade to the stem.
- n. 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.
- n. entomology The stalk at the base of the nest of the paper wasp.
GNU Webster's 1913
- n. (Bot.) A leafstalk; the footstalk of a leaf, connecting the blade with the stem. See
- n. (Zoöl.) A stalk or peduncle.
- n. the slender stem that supports the blade of a leaf
- From French pétiole, and its source, Latin petiolus ("little foot"), diminuitive form of pes. (Wiktionary)
- Latin petiolus, variant of peciolus, little foot, fruit stalk, probably from *pediciolus, diminutive of pediculus; see pedicel. (American Heritage® Dictionary of the English Language, Fourth Edition)
“Head blue in front, sides of the face cupreous-purple; mouth, antennæ, and tarsi black; arista snow-white; thorax with two almost contiguous darker stripes; abdomen æneous green, with the exception of the petiole, which is very thick; wings slightly greyish, costal half black; halteres testaceous.”
“The petiole is a stalk that attaches a leaf blade to the stem.”
“A petiole is a stalk that attaches a leaf blade to the plant stem.”
“(A petiole is a leaf-stalk joining the leaf to the plant stem).”
“Porch,349) The midrib of a fern leaf is called petiole, and the leaflet, a blade.”
“Ajit Solanki/Associated Press A worker removed the petiole from red chilies at Shertha village, near Ahmadabad, India, Wednesday.”
“A worker earns around 10 rupees ($ 0.20 ) for removing the petiole of 20 kilograms (4.4 pounds) of red chilies.”
“Something about armchair biogeographers strolling by a petiole before nanoscaling through a mitochandria, making sure not to get in the way of speeding mRNAs.”
“When we meet with it on a spot on which no rain has yet fallen, we see that the young ones twist their leaves round during the heat of the day, so that the edge only is exposed to the rays of the sun; they have then a half twist on the petiole.”
“It was mixed with quantities of another aquatic plant, which the Barotse named “Njefu”, containing in the petiole of the leaf a pleasant-tasted nut.”
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