sarmentaceous,a.|sɑːmənˈteɪʃəs| [f. L. sarment-um: see sarment and -aceous.] = sarmentose. 1830Lindley Nat.Syst.Bot. 32 [The Cocculus tribe.] Shrubs, with a..sarmentaceous habit.1831Macgillivray tr.Richard's Elem.Bot. 470 This family is composed of sarmentaceous and climbing shrubs.