1. (noun) a viscous glass consisting of sodium silicate in solution; used as a cement or as a protective coating and to preserve eggs

• sodium silicate
• soluble glass

2. (noun) gauge for indicating the level of water in e.g. a tank or boiler or reservoir

• water gage
• water gauge

3. (noun) clock that measures time by the escape of water

• clepsydra
• water clock

1. (noun) a viscous glass consisting of sodium silicate in solution; used as a cement or as a protective coating and to preserve eggs

• glass

2. (noun) a glass for drinking water

• drinking glass
• glass

3. (noun) gauge for indicating the level of water in e.g. a tank or boiler or reservoir

• gage
• gauge

4. (noun) clock that measures time by the escape of water

• clock

1. (noun) gauge for indicating the level of water in e.g. a tank or boiler or reservoir

• water level