|1.||[ verb ] make a vibrant sound, as of some birds|
|2.||[ verb ] make a soft swishing sound, as of a motor working or wings flapping|
|Synonyms:||whiz whir birr purr whizz|
|Related terms:||go whir whiz|
|3.||[ noun ] sound of something in rapid motion|
|Synonyms:||whirring whir birr|
: "whir of a bird's wings" "the whir of the propellers"
|Related terms:||sound whizz|