'Postulant' definitions:

Definition of 'postulant'

From: WordNet
noun
One submitting a request or application especially one seeking admission into a religious order

Definition of 'Postulant'

From: GCIDE
  • Postulant \Pos"tu*lant\ (?; 135), n. [F., fr. L. postulans, p. pr. of postulare. See Postulate.] One who makes a request or demand; hence, a candidate. [1913 Webster]