going barrel

English

Noun

going barrel (plural going barrels)

(horology) A barrel containing the mainspring, with teeth on its periphery to drive the train.
(horology) A device for maintaining a force to drive the train while the timepiece is being wound up.

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 The imported definitions may be significantly out of date, and any more recent senses may be completely missing.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