membranate,a.rare.|ˈmɛmbrənət| [ad.mod.L. membrānātus, f.membrāna membrane.] (See quots.) 1777Robson Brit. Flora iii. 7 Of stems... Surface... Membranate, covered with thin membranes.1895Funk's Stand.Dict., Me·mbranate, having the characters of a membrane.