释义 |
cos·tean intransitive verb or cos·teen \käˈstēn, ˈ ̷ ̷ˌ ̷ ̷\ (-ed/-ing/-s) Etymology: from (assumed) Cornish costēn, probably from codha to fall, happen + stēn tin; akin to Old Norse hitta to hit, find — more at hit, stannum Britain : 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 |