The Collaborative International Dictionary of English v.0.48:
Osseous \Os"se*ous\, a. [L. osseus, from os, ossis bone; akin to Gr. 'oste`on, Skr. asthi. Cf. Oyster.] Composed of bone; resembling bone; capable of forming bone; bony; ossific. [1913 Webster]WordNet (r) 3.0 (2006):
osseous adj 1: composed of or containing bone; "osseous tissue" [syn: osseous, osteal, bony]