- Bot. leafstalk
- Zool. peduncle (sense )
Origin of petioleModern Latin petiolus ; from Classical Latin little foot, little leg, stalk, diminutive ; from pes, foot
- Botany The stalk by which a leaf is attached to a stem. Also called leafstalk.
- Zoology A slender, stalklike part, as that connecting the thorax and abdomen in certain insects.
Origin of petioleLatin petiolus, variant of peciolus, little foot, fruit stalk, probably from *pediciolus, diminutive of pediculus; see pedicel.