The Collaborative International Dictionary
Ridgebone
Ridgebone \Ridge"bone`\, n. The backbone. [Obs.]
Blood . . . lying cluttered about the ridgebone.
--Holland.
Wiktionary
ridgebone
n. (context obsolete English) The backbone.
Usage examples of "ridgebone".
Their concentration was set on the uneven pathway that led to the bouldery ridgebone of the mountains, not upon me.