from
The Collaborative International Dictionary of English v.0.48
Abjuration \Ab`ju*ra"tion\, n. [L. abjuratio: cf. F.
abjuration.]
1. 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.
[1913 Webster]
2. A solemn recantation or renunciation; as, an abjuration of
heresy.
[1913 Webster]
{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. --Brande & C.
[1913 Webster]