costal
/ˈkɒstl/adjective
1- of or relating to the ribs（与）肋骨（有关）的。
1.1
- Anatomy & Zoology of or relating to a costa【剖, 动】与肋（骨）（有关）的。
词源
mid 17th cent.: from French, from modern Latin costalis, from Latin costa 'rib'.