1. [syn: guarantor, surety, warrantor, warranter]
The Collaborative International Dictionary of English v.0.48:
Warranter \War"rant*er\, n.
1. One who warrants, gives authority, or legally empowers.
2. (Law) One who assures, or covenants to assure; one who
contracts to secure another in a right, or to make good
any defect of title or quality; one who gives a warranty;
a guarantor; as, the warranter of a horse.
WordNet (r) 3.0 (2006):
n 1: one who provides a warrant or guarantee to another [syn:
guarantor, surety, warrantor, warranter]