Dictionary
Words, grammatical forms and meanings linked to the ontology.
coach screw en · NOUN
Meanings
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(Commonwealth, Ireland, UK) A large metal wood screw with a head that takes a spanner.
In turnouts the special fittings are secured by coach screws. Portable air compressors with special tools for boring holes and driving the coach screws save both time and labour.
1943 September and October, “Railway Construction and Operation at War Department Depots”, in Railway Magazine, page 263:
Forms
Synonyms
lag bolt · lag screw