COUNTERSINK v. 2 definitions
orm a depression around the top of (a hole in wood, metal, etc.) for the reception of the head of a screw or bolt below the surface, either wholly or in part; as, to countersink a hole for a screw.
CRANE n. 2 definitions
crane, Traveler crane, Traversing crane (Mach.), a crane mounted on wheels; esp., an overhead crane consisting of a crab or other hoisting apparatus traveling on rails or beams fixed overhead, as in a machine shop or foundry. -- Water crane, a kind of hydrant with a long swinging spout, for filling locomotive tenders…