fogfall

/F AA1 G F AO1 L/
noun
  1. 1

    An instance (i.e. a cloud) of fog that has fallen or developed over an area.

  2. 2

    The act or time of a cloud of fog falling over an area.

  3. 3

    A tumbling of fog from a higher area to a lower one, visually reminiscent of a waterfall.