Meaning of simple vow

sim'ple vow'

Pronunciation: [key]
— Rom. Cath. Ch. Rom. Cath. Ch.
  1. a public vow taken by a religious, under which property may be retained and marriage, though held to be illicit, is valid under canon law. Cf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.