Definition of preassurance in English:

preassurance

noun

  • An assurance given or received beforehand; a previous or prior guarantee.

Origin

Mid 17th century; earliest use found in Thomas Jackson. From pre- + assurance.

Pronunciation

preassurance

/ˌpriːəˈʃɔːr(ə)ns//ˌpriːəˈʃʊər(ə)ns/