oblongated,ppl.a.|ˈɒblɒŋgeɪtɪd| [f. as prec. + -ed1.] Prolonged; in oblongated marrow, the medulla oblongata. 1822–34Good's Study Med. (ed. 4) III. 2 The cerebrum, or brain, properly so called, the cerebrel, or little brain, and the oblongated marrow.