[n] the act of abdicating
[n] a formal resignation and renunciation of powers
\Ab`di*ca"tion\, n. [L. abdicatio: cf. F. abdication.] The act of abdicating; the renunciation of a high office, dignity, or trust, by its holder; commonly the voluntary renunciation of sovereign power; as, abdication of the throne, government, power, authority.