The Collaborative International Dictionary
Fidejussion
Fidejussion \Fi`de*jus"sion\, n. [L. fidejussio, from fidejubere to be surety or bail; fides faith + jubere to order: cf. F. fid['e]jussion.] (Civil Law) The act or state of being bound as surety for another; suretyship.
Wiktionary
fidejussion
n. (context legal English) The act or state of being bound as surety for another; suretyship.