| 1. | Botany. the slender stalk by which a leaf is attached to the stem; leafstalk. |
| 2. | Zoology. a stalk or peduncle, as that connecting the abdomen and thorax in wasps. |

petiole pet·i·ole (pět'ē-ōl')
n.
A stem or pedicle.
| petiole (pět'ē-ōl') Pronunciation Key
See leafstalk. |