Whur\, v. i. [Probably of imitative origin. Cf. Hurr, Hurry, Whir.]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. --Halliwell.
Whur\, n. A humming or whirring sound, like that of a body moving through the air with velocity; a whir.