English

edit

Etymology

edit

From Cornish cothas (dropped) + stean (tin).

Noun

edit

costean (plural costeans)

  1. (mining) A trench in solid rock intersected by pits which reveals mineral veins.

Verb

edit

costean (third-person singular simple present costeans, present participle costeaning, simple past and past participle costeaned)

  1. (mining) To search for lodes by sinking small pits through the superficial deposits to the solid rock, and then driving from one pit to another across the direction of the vein, so as to cross all the veins between the two pits.
edit

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 The imported definitions may be significantly out of date, and any more recent senses may be completely missing.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

Anagrams

edit

Spanish

edit

Verb

edit

costean

  1. third-person plural present indicative of costear