1.  An apparatus for supplying water from an elevated tank (now esp. to the tender of a locomotive).

1

1658.  T. Willsford, Nat. Secrets, 156. From hence it is, that the Air in Water-cranes and pumps being sucked out, the waters … are forced to rise.

2

1875.  Knight, Dict. Mech., Water-crane, a goose-neck apparatus for supplying water from an elevated tank to the tender of a locomotive engine.

3

  2.  A crane worked by hydraulic power.

4

1849.  J. Glynn Constr. Cranes, 112. The Water Cranes shown in the engravings are Two Self-Acting Machines.

5