carriage bolt is a noun meaning "a roundheaded bolt for timber; threaded along part of the shank; inserted into holes already drilled". It carries one recorded sense.
a roundheaded bolt for timber; threaded along part of the shank; inserted into holes already drilled
Definitions, synonyms and semantic relations for carriage bolt come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.