Pronunciation: (gär'dē-un), [key]
1. a person who guards, protects, or preserves.
2. Law.a person who is entrusted by law with the care of the person or property, or both, of another, as a minor or someone legally incapable of managing his or her own affairs.
3. the superior of a Franciscan convent.
guarding; protecting: a guardian deity.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.