DICT.TW Dictionary Taiwan

 Whur n. A humming or whirring sound, like that of a body moving through the air with velocity; a whir.
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 Whur v. i.
 1. To make a rough, humming sound, like one who pronounces the letter r with too much force; to whir; to birr.
 2. To snarl or growl, as a dog.