Word Study
whirring (root: whir)
WORDNET DICTIONARY
Noun whirring has 1 sense
- whirring(n = noun.event) birr, whir, whirr - sound of something in rapid motion; "whir of a bird's wings"; "the whir of the propellers" is a kind of sound
Derived form verb whir1
Adjective whirring has 1 sense
For further exploring for "whirring" in Webster Dictionary Online