What's the difference between costean and costeaning?
Costean
Definition:
(v. i.) To search after lodes. See Costeaning.
Example Sentences:
Costeaning
Definition:
(n.) The process by which miners seek to discover metallic lodes. It consist in 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, in such manner as to cross all the veins between the two pits.