fog

v. t. [ imp. & p. p. Fogged p. pr. & vb. n. Fogging ] 1. To envelop, as with fog; to befog; to overcast; to darken; to obscure. [ 1913 Webster ]

2. (Photog.) To render semiopaque or cloudy, as a negative film, by exposure to stray light, too long an exposure to the developer, etc. [ Webster 1913 Suppl. ]

n. [ Cf. Scot. fog, fouge, moss, foggage rank grass, LL. fogagium, W. ffwg dry grass. ] (Agric.) (a) A second growth of grass; aftergrass. (b) Dead or decaying grass remaining on land through the winter; -- called also foggage. [ Prov.Eng. ] Halliwell. Sometimes called, in New England, old tore. In Scotland, fog is a general name for moss. [ 1913 Webster ]

v. i. (Photog.) To show indistinctly or become indistinct, as the picture on a negative sometimes does in the process of development. [ 1913 Webster ]

v. i. [ Etymol. uncertain. ] To practice in a small or mean way; to pettifog. [ Obs. ] [ 1913 Webster ]

Where wouldst thou fog to get a fee? Dryden. [ 1913 Webster ]

n. [ Dan. sneefog snow falling thick, drift of snow, driving snow, cf. Icel. fok spray, snowdrift, fjūk snowstorm, fjūka to drift. ] 1. Watery vapor condensed in the lower part of the atmosphere and disturbing its transparency. It differs from cloud only in being near the ground, and from mist in not approaching so nearly to fine rain. See Cloud. [ 1913 Webster ]

2. A state of mental confusion. [ 1913 Webster ]

3. (Photog.) Cloudiness or partial opacity of those parts of a developed film or a photograph which should be clear. [ Webster 1913 Suppl. ]

Fog alarm,
Fog bell,
Fog horn, etc., a bell, horn, whistle or other contrivance that sounds an alarm, often automatically, near places of danger where visible signals would be hidden in thick weather. --
Fog bank, a mass of fog resting upon the sea, and resembling distant land. --
Fog ring, a bank of fog arranged in a circular form, -- often seen on the coast of Newfoundland. [ 1913 Webster ]

. A region of the ocean where fogs are of marked frequency, as near the coast of Newfoundland. [ Webster 1913 Suppl. ]

n. A nebulous arch, or bow, of white or yellowish light sometimes seen in fog, etc. [ Webster 1913 Suppl. ]

n. The Cornish name for a forge used for smelting tin. Raymond [ 1913 Webster ]