lighter screw

English

Noun

lighter screw (plural lighter screws)

(engineering, dated) A screw for adjusting the distance between the stones in a grinding mill by raising or lowering the bridgetree.

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 The imported definitions may be significantly out of date, and any more recent senses may be completely missing.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 “lighter screw”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)