Petiole (noun)

A slender stem that attaches a leaf to a plant's main stem.

Origin:

Derived from the latin word 'petiolus' meaning 'stem', a petiole is a slender stem that attaches a leaf to a plant's main stem.

Examples:

1. The petiole allows the leaf to move with the sun to maximize photosynthesis.
2. The length of the petiole can vary greatly depending on the species of plant.
3. The petiole is an important part of the plant's anatomy.
4. The petiole of some plants can contain stored food to help the plant survive tough conditions.
5. Petioles can also provide structural support for the leaves, especially in windy conditions.