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
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Origin and Etymology of 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
First Known Use: 1753
PETIOLE Defined for Kids
petiole
playDefinition of petiole for Students
: the slender stem of a leaf
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Britannica.com: Encyclopedia article about petiole
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