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Definition of Rootstock
1. Noun. A horizontal plant stem with shoots above and roots below serving as a reproductive structure.
2. Noun. Root or part of a root used for plant propagation; especially that part of a grafted plant that supplies the roots.
Generic synonyms: Stock
Definition of Rootstock
1. n. A perennial underground stem, producing leafly s&?;ems or flower stems from year to year; a rhizome.
Definition of Rootstock
1. [n -S]
Medical Definition of Rootstock
1.