attributed to inanimate objects.

Imitative of the moaning sound of the wind. (Cf. German summ.)

Any sound, as that of birdsong, the sea, wind, etc., when seen as plaintive or as lamenting a particular event or situation.

transferred. A sound resembling a knell; a doleful cry, dirge, etc.

In extended use: a long, low, plaintive sound produced by wind, water, etc.

A sound resembling that of a person plaining; a wailing, a moaning.

transferred and figurative.