Pronunciation: (non-joor'ur), [key]
1. a person who refuses to take a required oath, as of allegiance.
2. (often cap.) Eng. Hist.any of the clergymen of the Church of England who in 1689 refused to swear allegiance to William and Mary.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.