Ginger, the underground stem, or rhizome, of the plant Zingiber officinale.

To dig or pull up by the roots; to deracinate.

The pressure (the result of osmosis) exerted by the roots of vascular plants that moves water into the leaves and causes guttation.

(botany) Any adventitious root that grows from a plant stem above ground.

A disease, caused by a nematode, that causes swelling of the roots of oats

(anatomy) The hollow part of the root of a tooth, containing the nerve and blood vessels. / (dentistry) A surgical operation on a root canal, typically filling it with gutta-percha.

The large tuberous root of a kind of milkweed (Asclepias tuberosa), used as a remedy for pleuritic and other diseases. / The plant itself, which has deep orange-coloured flowers; butterfly weed.

Any of various low plants, mostly parasitic on roots, such as the beechdrops, the squawroot, etc.

A root growing from the above-ground stem or trunk, and providing support.

The bark from the roots of a woody plant.