gliomatous,a.|glaɪˈəʊmatəs| [f.mod.L. gliōmat- glioma + -ous.] Of the nature of glioma. 1870Paget Lect.Surg.Path. (ed. 3) 471 In some cases the gliomatous tumour has a firm consistence.1879St. George's Hosp.Rep. IX. 429 The medulla oblongata was the seat of a hard gliomatous growth.