We don't have synonyms for rootstocks yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are rootstock, footstock and rootstalks.
(n) :
(agriculture) A healthy and vigorous-rooted plant that is used in grafting, most commonly as a sound base to support a scion that bears desirable fruit in orchard culture.
(n) :
(figurative, by extension) The necessary basis for something to develop.
(n) :
(agriculture) A healthy and vigorous-rooted plant that is used in grafting, most commonly as a sound base to support a scion that bears desirable fruit in orchard culture.
(n) :
(figurative, by extension) The necessary basis for something to develop.