rootstock

/ˈrutˌstɑk/
noun
  1. A plant stem onto which another plant is grafted, used in gardening and agriculture.
    • The rootstock determines how tall and strong the grafted plant will grow.
    • The gardener chose a hardy rootstock for the apple tree to make it more resistant to disease.
    • Many wine grapes are grown on American rootstock to protect against pests.
  2. The underground part of a plant, such as a rhizome, that stores food and produces new shoots.
    • The rootstock of the iris spreads underground and sends up new leaves each spring.
    • Farmers divide the rootstock of the ginger plant to grow more crops.
    • Some weeds have a thick rootstock that is hard to remove completely.
  3. A basic source or foundation from which something develops.
    • His family's traditions were the rootstock of his strong values.
    • The ancient language served as the rootstock for many modern European languages.
    • The company's early innovations became the rootstock for its later success.
What does "rootstock" mean? | whatsthatwordmean | whatsthatwordmean