Theatine
noun
The·a·tine ˈthē-ə-ˌtīn 
-ˌtēn
: a priest of the Order of Clerks Regular founded in 1524 in Italy by St. Cajetan and Gian Pietro Caraffa to reform Catholic morality and combat Lutheranism
Theatine adjective
Word History
Etymology
New Latin Theatinus, from Latin Teatinus inhabitant of Chieti, from Teate Chieti, Italy
First Known Use
circa 1598, in the meaning defined above