Pronunciation: (gar'un-tē"), [key]
—n., pl. -ties,
—v., -tied, -ty•ing.
1. a warrant, pledge, or formal assurance given as security that another's debt or obligation will be fulfilled.
2. something that is taken or presented as security.
3. the act of giving security.
4. a person who acts as a guarantor.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.