Read the following excerpt from Susan B. Anthony by Alma Lutz:

To enter the mill, to stand quietly and look about, was the best kind of entertainment, for she was fascinated by the whir of the looms, by the nimble fingers of the weavers, and by the general air of efficiency. (Lutz, pg. 1)


Based on the context, what does the word whir most likely mean?

noise
buzz
banging
clang