costotransverse

adjective

cos·​to·​trans·​verse ˌkäs-tə-tran(t)s-ˈvərs  -tō- 

-tranz-,

-ˈtran(t)s-ˌ,

-ˈtranz-ˌ

: relating to or connecting a rib and the transverse process of a vertebra

a costotransverse joint