An aquifer in which water rises to the surface under its own hydrostatic pressure.
A bore-hole in an artesian basin.
A momentary vertical jet or fountain of fluid driven upwards by a violent force.
A boiling natural spring which throws forth jets of water, mud, etc., at frequent intervals, driven upwards by the expansive power of steam.
A domestic water boiler.
To (cause to) rush or burst upward like water from a geyser.