1. (noun)stock, gunstock the handle of a handgun or the butt end of a rifle or shotgun or part of the support of a machine gun or artillery gun Synonyms: parentage, lineage, strain, gillyflower, fund, broth, stock certificate, ancestry, breed, stemma, descent, caudex, store, gunstock, pedigree, origin, line of descent, blood, stock, blood line, farm animal, line, livestock, bloodline, inventory, neckcloth