Of a bone: visible, exposed; showing through the skin. Also of an animal: raw-boned. Now rare.

Of hard substances: Having an open porous structure resembling that of a sponge. Of bones, spec. of certain bones of the skull.

Of wood: Having a short fibre rendering it liable to snap easily. Hence transferred of a bone.

Of or relating to an ossicle or ossicles.

Having ossicles.

Situated between hæmal spines.

Designating any of a series of small bones which make up the carpus or the tarsus of a tetrapod (esp. a reptile or amphibian); of or relating to…