variants: or costeen \ käˈstēn , ˈ⸗ˌ⸗ \

Definition of costean

: to dig trenches or small pits through the surface soil or debris to the underlying rock in place for the purpose of exposing the outcrop of a mineral deposit and determining its course

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History and Etymology for costean

from (assumed) Cornish costēn, probably from codha to fall, happen + stēn tin; akin to Old Norse hitta to hit, find

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Cite this Entry

“Costean.” Dictionary, Merriam-Webster, Accessed 30 Sep. 2020.

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