The Collaborative International Dictionary
Abannition
Abannation \Ab`an*na"tion\ ([a^]b`[a^]n*n[=a]"sh[u^]n),
Abannition \Ab`an*nition\ ([a^]b`[a^]n*n[i^]sh"[u^]n), n. [LL.
abannatio; ad + LL. bannire to banish.] (Old Law)
Banishment. [Obs.]
--Bailey.
Wiktionary
abannition
n. (alternative spelling of abannation English)