(medicine) The apparent age of a child based on the maturity of its bones.

plural of herring-bone

A bone tool, dated to the Upper Paleolithic era, known for a series of what has been interpreted as tally marks carved in three columns running the length of the tool.

plural of wishing bone

wishbone (of a bird)

Alternative form of big-boned

Any bird in the genus Macronectes, known as giant petrels.

(obsolete) The shoulder blade.

plural of speal-bone

An exostosis.