The Collaborative International Dictionary
Interosseous
Interosseal \In`ter*os"se*al\, Interosseous \In`ter*os"se*ous\, a. [Pref. inter- + osseous: cf. F. interosseux.] (Anat.) Situated between bones; as, an interosseous ligament.
Wiktionary
interosseous
a. (context anatomy English) Between bones