[anas.to.mo.sis] n, pl -mo.ses [LL, fr. Gk anastomosis, fr. anastomoun to provide with an outlet, fr. ana- + stoma mouth, opening--more at stomach] (1541) 1: the union of parts or branches (as of streams, blood vessels, or leaf veins) so as to intercommunicate: inosculation
2: a product of anastomosis: network -- anas.to.mot.ic adj