Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun rootstock

2 senses of rootstock

Sense 1
rhizome, rootstock, rootstalk -- (a horizontal plant stem with shoots above and roots below serving as a reproductive structure)
       => stalk, stem -- (a slender or elongated structure that supports a plant or fungus or a plant part or plant organ)

Sense 2
rootstock -- (root or part of a root used for plant propagation; especially that part of a grafted plant that supplies the roots)
       => stock -- (a plant or stem onto which a graft is made; especially a plant grown specifically to provide the root part of grafted plants)