DCHP-1 Online
fog-eater 
n. a phenomenon resembling a rainbow, occurring in a fog about to dissipate.
See also: fog scoffer
- 1935 We could now see almost a hundred yards about us; above the fog the sun was shining from a cloudless sky, forming the sun-bow on the fog called a "fog-eater."
- 1958 Whenever you see a fog-eater, the fog is going to lift.
- 1963 With the calms come fog bows--the "fog eaters" of the Eskimo. This peculiar phenomenon resembles a rainbow in the fog, mainly made up of thick, grey fog. On some days, this arch will revolve completely around an observer as the sun turns in the sky.
- 1935 We could now see almost a hundred yards about us; above the fog the sun was shining from a cloudless sky, forming the sun-bow on the fog called a "fog-eater."