- Bot. leafstalk
- Zool. peduncle (sense )
Origin of petioleModern Latin petiolus from L, 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 .