thoroughbrace

thor·ough·brace

T5195800 (thûr′ō-brās′)n. One of several leather bands passed from front to back of a carriage, supporting it and serving as a spring.
thor′ough·braced′ adj.

thoroughbrace

(ˈθʌrəˌbreɪs) nchiefly US either of two strong leather straps upon which the body of certain types of carriage is supported ˈthoroughˌbraced adj