Search Result for "whirr": 
Wordnet 3.0

NOUN (1)

1. sound of something in rapid motion;
- Example: "whir of a bird's wings"
- Example: "the whir of the propellers"
[syn: whir, whirr, whirring, birr]


VERB (2)

1. make a soft swishing sound;
- Example: "the motor whirred"
- Example: "the car engine purred"
[syn: whizz, whiz, whirr, whir, birr, purr]

2. make a vibrant sound, as of some birds;
[syn: churr, whirr]



WordNet (r) 3.0 (2006):

whirr
    n 1: sound of something in rapid motion; "whir of a bird's
         wings"; "the whir of the propellers" [syn: whir, whirr,
         whirring, birr]
    v 1: make a soft swishing sound; "the motor whirred"; "the car
         engine purred" [syn: whizz, whiz, whirr, whir,
         birr, purr]
    2: make a vibrant sound, as of some birds [syn: churr,
       whirr]