Sentence:  On working days weavers who had jobs were already <WSD>mee-mawing</WSD> across the racket of looms as the van delivered and in hot weather, with weaving shed doors open, the sound bombarded the streets. 
Meaning of the word marked with <WSD> tags:  To make exaggerated movements with the mouth so as to be understood above a loud noise, such as that of machinery.