Whirring is a verb that means to make a continuous, rapid whistling or humming sound. It can also refer to something that is moving rapidly and making this type of noise, such as a machine or an engine.
Usage examples
The whirring of the fan provided a soothing background noise on a hot summer day.
As I opened the door to the factory floor, I was met with the loud whirring of machinery and the scent of metal.
The sound of the helicopter's whirring blades grew louder as it approached the landing pad.
I could hear the whirring of the blender as it effortlessly crushed ice for our refreshing smoothies.
The whirring sound of the sewing machine filled the room as my grandmother worked on her latest quilting project.
Sitting in the garden, I closed my eyes and listened to the whirring of hummingbird wings as they flitted around the flowers.