The Collaborative International Dictionary of English v.0.48:

Whir \Whir\, v. t. [See Whir to whiz.]
   To hurry a long with a whizzing sound. [R.]
   [1913 Webster]

         This world to me is like a lasting storm,
         Whirring me from my friends.             --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Whir \Whir\, n.
   A buzzing or whizzing sound produced by rapid or whirling
   motion; as, the whir of a partridge; the whir of a spinning
   wheel.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Whir \Whir\, v. i. [imp. & p. p. Whirred; p. pr. & vb. n.
   Whirring.] [Perhaps of imitative origin; cf. D. hvirre to
   whirl, and E. hurr, hurry, whirl. ???.]
   To whirl round, or revolve, with a whizzing noise; to fly or
   more quickly with a buzzing or whizzing sound; to whiz.
   [1913 Webster]

         The partridge bursts away on whirring wings. --Beattie.
   [1913 Webster]

WordNet (r) 3.0 (2006):

whir
    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]