water gauge Meaning, Definition & Usage

  1. noun gauge for indicating the level of water in e.g. a tank or boiler or reservoir
    water gage; water glass.

WordNet

Wa"ter gauge`
Definitions
  1. A wall or bank to hold water back. Craig.
  2. An instrument for measuring or ascertaining the depth or quantity of water, or for indicating the height of its surface, as in the boiler of a steam engine. See Gauge.

Webster 1913