coste

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. [ 1913 Webster ]

a. [ L. costa rib. ] Finely ribbed or costated. [ 1913 Webster ]

n. [ Abbrev. of costermonger. ] One who hawks about fruit, green vegetables, fish, etc. [ 1913 Webster ]