Definition of praepostor in English:

praepostor

noun

British
  • (at some public schools) a prefect or monitor.

Origin

Mid 18th century: from praepositor, alteration of Latin praepositus ‘head, chief’, past participle of praeponere ‘set over’, from prae ‘ahead’ + ponere ‘to place’.

Pronunciation

praepostor

/prɪˈpɒstə/