The Collaborative International Dictionary of English v.0.48:
Osteal \Os"te*al\, a. [Gr. 'oste`on a bone.] Osseous. [1913 Webster]WordNet (r) 3.0 (2006):
osteal adj 1: relating to bone or to the skeleton 2: composed of or containing bone; "osseous tissue" [syn: osseous, osteal, bony]