Sentence:  The said T. T., in a loud and violent manner, and contrary to the custom & <WSD>"usuage</WSD>" of Parliment, in the Speaker's [ear], at the putting of a question about the militia, on 3rd Jan. 1641, standing neare the Speaker's chaire, cried " Baw!" to the great terror and affrightment of the Speaker and of the members of the House of Comons, and contrary to his duty and the trust reposed in him by his country. 
Meaning of the word marked with <WSD> tags:  (usage)<ref name= "OEDJHM">Murray, J.A.H. The Compact Edition of the Oxford English Dictionary (2 vols). Publisher: Oxford University Press. 1971. (978-0198611172)</ref>