per·ora·tion /ˌperəˈreɪʃən/ noun
plural per·ora·tions [count] formal 1 : the last part of a speech 2 disapproving : a long and dull speech
▪ We sat through a lengthy peroration on the evils of the government's policies.
▪ We sat through a lengthy peroration on the evils of the government's policies.
