os-, oss-, ost-, oste- os [singular] or ossa [plural]

Any small bone; such as, the tiny bones within the human ear.

An early type of hearing aid that used bones for conduction of sounds.

1. A receptacle for the bones of the dead; a bone-vault, charnel-house; a bone-urn.
2. A bone-cave, or deposit formed largely of bones, belonging to late geological times.
3. Of or for the deposit of the bones of the dead.