from The Century Dictionary.

  • noun A key for turning a screw. It may be a form of screw-driver, or a form of wrench. See cut under screw-stock.
  • noun A socket-wrench in which the socket is formed on the end of the shank to receive the nut or head and the shank is turned by a crosspiece or T-head.
  • noun A form of adjustable wrench, or monkey-wrench, in which the movable jaw is held from slipping on the shank by a tapering wedge or key, the latter being adjustable lengthwise by a screw either on the shank or parallel to it.


Sorry, no etymologies found.


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