Os´cines, n. pl. A group of singing-birds, possessing a complex vocal organ of numerous syringeal muscles, conferring musical ability. These are regarded as the highest or most perfectly developed of their class.

Os´seous, a. Bony.

Os´sicle, n. A small bone.

Ossif´ic, a. Bony; rather, having power to ossify.

Os´sified, a. Become bony; united by bone.

Os´sify. To form bone; to change into bone.

Osteolog´ical, a. Pertaining to osteology.

Osteol´ogy, n. A description of bones. Also used to denote the osseous system, as myology, neurology, splanchnology, likewise are for their respective systems.

Os´tium, n. Doorway; entrance.

O´tic, a. Pertaining to the ear.