adj. Of or pertaining to an internal skeleton, usually of bone (an endoskeleton).
the GNU version of the Collaborative International Dictionary of English
adj. Pertaining to, or connected with, the endoskeleton.
The Century Dictionary and Cyclopedia
Of or pertaining to the endoskeleton.
Word Usage
"I sip my Chivas from the cap, listening to the shaking structure around us, the minimum ribbing, a sort of endoskeletal arch that makes every groaning noise in the hymnal of manned flight."