variation compass
English
Noun
variation compass (plural variation compasses)
- A compass of delicate construction, used in observations on the variations of the needle.
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 The imported definitions may be significantly out of date, and any more recent senses may be completely missing.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 variation compass in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)