/gar"euhn tee'/ , n. , pl. guaranties , v. , guarantied, guarantying .
n.
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.
v.t.
5. guarantee.
[ 1585-95; guarantie. See WARRANT, -Y 3 ]