POSTULANT Meaning of POSTULANT in English [ 'pɒstjʊl(ə)nt ]■ noun a candidate seeking admission into a religious order.OriginC18: from Fr. ~ or L. ~- 'asking', from postulare (see postulate ). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004