FOG, noun

1. A dense watery vapor, exhaled from the earth, or from rivers and lakes, or generated in the atmosphere near the earth. it differs from mist, which is rain in very small drops.

2. A cloud of dust or smoke.

FOG, noun

After-grass; a second growth of grass; but it signifies also long grass that remains on land.

Dead grass, remaining on land during winter, is called in New England, the old tore.