What is "water bath"

Water bath \Wa"ter bath`\ A device for regulating the temperature of anything subjected to heat, by surrounding the vessel containing it with another vessel containing water which can be kept at a desired temperature; also, a vessel designed for this purpose.

n. A piece of laboratory equipment consisting of a heated vessel containing water, in which is suspended a flask etc that is to be subject to careful heating

A water bath can refer to:

• A bain-marie or double boiler
• A heated bath
• A laboratory water bath

A steam bath can refer to:

• A steambath
• A play called Steambath