Defn: 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.
WATER BATTERY
Wa"ter bat"ter*y.
1. (Elec.)
Defn: A voltaic battery in which the exciting fluid is water.
2. (Mil.)
Defn: A battery nearly on a level with the water.
WATER BEAR
Wa"ter bear`. (Zoöl.)
Defn: Any species of Tardigrada, 2. See Illust. of Tardigrada.
WATER-BEARER
Wa"ter-bear`er, n. (Astron.)
Defn: The constellation Aquarius.