Rhizome (noun)

1. A stem that runs horizontally underground, producing shoots and roots at its nodes.
2. A plant having such a stem.

Origin:

Derived from the greek word 'rhízōma', meaning 'rootstock', 'mass of roots'.

Examples:

1. The rhizomes of the bamboo plant can be used for cooking.
2. Most species of ginger have fragrant rhizomes.
3. The grasses, sedges, and ferns are common examples of plants that propagate by means of rhizomes.
4. Rhizome will grow new plants from its buds.
5. Rhizomes form a dense underground network that helps to stabilize the soil.