costocervical trunk

noun
cos·​to·​cer·​vi·​cal trunk | \ -ˈsər-və-kəl- How to pronounce costocervical trunk (audio) \

Medical Definition of costocervical trunk

: a branch of the subclavian artery that divides to supply the first or first two intercostal spaces and the deep structures of the neck — see intercostal artery sense b