limbationBiol.|lɪmˈbeɪʃən| [f.prec.: see -ation.] The formation of a border; a border distinguished by colour or structure. 1881H. B. Brady in Jrnl.Microsc.Sci. Jan. 59 Sutures limbate, the limbation taking the form of raised beads.1894in Gould Illustr.Dict.Med.