ridgebone

Etymology
From, , from , from , from ; equivalent to 🇰🇲.

Noun

 * 1)  The backbone or spine.
 * 2) * 1815, G. LLOYD (Riding Master, and SYMES (R.)), R. SYMES, The Improved Art of Riding, Etc:
 * Let your body be erect and straight, your ridgebone answering to that of the horse; so that his body and your's may appear but as one piece of mechanism.
 * Let your body be erect and straight, your ridgebone answering to that of the horse; so that his body and your's may appear but as one piece of mechanism.