Related to Water gall: waterfall
|1.||A cavity made in the earth by a torrent of water; a washout.|
|2.||A watery appearance in the sky, accompanying the rainbow; a secondary or broken rainbow.|
These water galls, in her dim element,
Foretell new storms to those already spent.
False good news are [is] always produced by true good, like the water gall by the rainbow.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.