Definition of preservatory in US English:

preservatory

adjective

rare
  • Preservative; intended to preserve or protect.

noun

rare
  • 1A place in which people, things, etc., are protected or preserved. rare.

  • 2Chiefly US. A room for storing perishable foodstuffs at a low temperature; an apparatus for preserving perishable foodstuffs; (also) a factory for the preparation of preserved foodstuffs. Now chiefly historical.

Origin

Mid 17th century; earliest use found in Joseph Hall (1574–1656), bishop of Norwich, religious writer, and satirist. From post-classical Latin praeservat-, past participial stem of praeservare preserve + -ory, perhaps after conservatory.

Pronunciation

preservatory

/prɪˈzəːvət(ə)ri/