pref·a·tory /ˈprɛfəˌtori, Brit ˈprɛfətri/ adjective
always used before a noun formal : included at the beginning of a book, speech, etc., as an introduction
▪ The speaker made some prefatory remarks. ▪ Each chapter in the book has a prefatory quotation.
▪ The speaker made some prefatory remarks. ▪ Each chapter in the book has a prefatory quotation.
