whirring

  1. sound of something in rapid motion
  2. make a soft swishing sound, as of a motor working or wings flapping

Whirring

• (p. pr. & vb. n.) of Whir
Found on http://thinkexist.com/dictionary/meaning/whirring/

whirring

adjective like the sound of rapidly vibrating wings
Found on https://www.encyclo.co.uk/local/20974

whirring

[adj] - like the sound of rapidly vibrating wings
Found on http://www.webdictionary.co.uk/definition.php?query=whirring
No exact match found