Artificial intelligent assistant

missal-book

ˈmissal-book
  [f. missal a.]
  = mass-book.

c 1645 Howell Lett. (1650) 178 They present unto him the Cross, and the Missall book to swear upon. 1873 Hale In His Name viii. 71 The beautiful missal book, from which the Senior Canon was about to read. 1894 Dublin Rev. Oct. 246 Three early missal-books of the Roman Church, or, as they are called sacramentaries.

Oxford English Dictionary

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