Abjuration
n.-
The act of abjuring or forswearing; a renunciation upon oath;
as, .abjuration of the realm, a sworn banishment, an oath taken to leave the country and never to return -
A solemn recantation or renunciation;
as, an .abjuration of heresy
Oath of abjuration ,
an oath asserting the right of the present royal family to the crown of England, and expressly abjuring allegiance to the descendants of the Pretender.