PROPYLAEUM Meaning of PROPYLAEUM in English n. (pl. propylaea) 1 the entrance to a temple. 2 (the Propylaeum) the entrance to the Acropolis at Athens. [ L f. Gk propulaion (as PRO-(2), pule gate) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012