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. [1913 Webster]