nauscopy

English

Etymology

Ancient Greek ναῦς (naûs, “ship”) +‎ -scopy

Noun

nauscopy (uncountable)

(obsolete) The supposed ability to detect incoming ships, before they come into visual range, by studying certain atmospheric effects.

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 The imported definitions may be significantly out of date, and any more recent senses may be completely missing.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