thoroughbrace (plural thoroughbraces)
- (dated) A leather strap supporting the body of a carriage, and attached to springs or serving as a spring itself.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for thoroughbrace in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)