chiropractor         
noun [ C ] uk/ˈkaɪ.rəʊ.præk.tər/ us/ˈkaɪ.roʊ.præk.tɚ/
 手疗法医师,按摩师;(尤指)脊椎指压治疗师
a person whose job is to treat diseases by pressing a person's joints (= places where two bones are connected), especially those in the back
 chiropractic
noun [ U ] uk/ˌkaɪə.rəʊˈpræk.tɪk/ us/ˌkaɪə.roʊˈpræk.tɪk/
 手疗法;脊椎指压疗法
the system of treatment used by a chiropractor