1 - The act of moving to a lower position under the effect of gravity.
2 - A reduction in quantity, pitch, etc.
3 - The time of the year when the leaves typically fall from the trees; autumn; the season of the year between the autumnal equinox and the winter solstice.
1 - (heading) To be moved downwards.
2 - To move downwards.
3 - To happen, to change negatively.





