Canoness \Can"on*ess\, n. [Cf. LL. canonissa.] A woman who holds a canonry in a conventual chapter. [1913 Webster] {Regular canoness}, one bound by the vow of poverty, and observing a strict rule of life. {Secular canoness}, one allowed to hold private property, and bound only by vows of chastity and obedience so long as she chose to remain in the chapter. [1913 Webster] canonic