praepostor
noun
prae·pos·tor
variants or prepostor or less commonly praepositor or prepositor
prēˈpästə(r)
-äzət-
plural -s
: a monitor at an English public school
Word History
Etymology
Medieval Latin praepositor, praepostor, from Latin praepositus, praepostus (past participle of praeponere to put in front, put in charge of) + -or