Definition of Augmentation Office in English:

Augmentation Office

noun

historical
  • An office of the Exchequer which assumed responsibility for the functions of the Court of Augmentations on its dissolution in 1554, and in which its records were preserved.

    The records of the Court of Augmentations are now kept in the National Archives.

Origin

Early 17th century; earliest use found in Thomas Powell (d. c1635), lawyer and writer.