cartilaginoid,a.|kɑːtɪˈlædʒɪnɔɪd| [f. as prec.; see -oid.] Of the form or nature of cartilage. 1859Todd Cycl.Anat. V. 517/1 A cartilaginoid thickening of the periosteum.1881E. R. Lankester in Jrnl.Microsc.Sc. Jan. 131 A homogeneous cartilaginoid substance.