Meaning of solemn vow

sol'emn vow'

Pronunciation: [key]
— Rom. Cath. Ch. Rom. Cath. Ch.
  1. a perpetual, irrevocable public vow taken by a religious, in which property may not be owned by the individual, and marriage is held invalid under canon law. Cf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.