Taproot (noun)

A main root that grows vertically downward from a plant's stem, typically providing stability and absorbing water and nutrients.

Origin:

Late 19th century: from tap1 + root.

Examples:

1. The taproot of the carrot plant can grow up to three feet long.
2. The taproot is the main source of water and nutrients for the plant.
3. Some plants have fibrous roots instead of a taproot.
4. The taproot helps anchor the plant in the soil.
5. The taproot is usually removed when harvesting root vegetables like carrots or turnips.