im‧pri‧ma‧tur /ˌɪmprəˈmeɪtə, ˌɪmprɪˈmeɪtə, -ˈmɑː- $ -ər/ noun [singular]
[Date: 1600-1700; Language: Latin; Origin: 'let it be printed', from imprimere; ⇒ impress]

1. formal approval of something, especially from an important person:
His actions have the imprimatur of the Secretary of State.

2. technical official permission to print a book, given by the Roman Catholic Church

[TahlilGaran] Dictionary of Contemporary English ▲