COSTEAN
Etymology
Verb
costean (third-person singular simple present costeans, present participle costeaning, simple past and past participle costeaned)
(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.
Anagrams
• Acteons, Secotan, octanes
Source: Wiktionary
Cos"tean` (ks"tn`), v. i. Etym: [Cornish cothas dropped + stean tin.]
Definition: To search after lodes. See Costeaning.
Source: Webster’s Unabridged Dictionary 1913 Edition