You may be referring to the subclavian artery. This is the artery located below the clavicle and is a major artery of the upper thorax. The subclavian artery supplies blood to the head and arms.
There is no specific term "subclarian" in common use. It could be a misspelling or a specialized term not widely recognized. Can you provide more context or clarify your question so I can assist you better?
No bone in the human body is called the "subclarian" bone.
If you mean subclavian. It means under the colar bone.