Lat. To betray faith or fealty. A term used in feudal and old Englishlaw of a feudatory or feudal tenant who does not keep that fealty which he has swornto the lord. Leg. Hen. I. c. 53.

More On This Topic

Link to This Definition
Did you find this definition of FIDEM MENTIRI helpful? You can share it by copying the code below and adding it to your blog or web page.
Written and fact checked by The Law Dictionary