The Collaborative International Dictionary
Defunction
Defunction \De*func"tion\ (d[-e]*f[u^][ng]k"sh[u^]n), n. [L. defunctio performance, death.] Death. [Obs.]
After defunction of King Pharamond.
--Shak.
Wiktionary
defunction
n. (context obsolete English) death.
Usage examples of "defunction".
A more sedate civilization would have centralized its output, so that the defunctioning of a single complex would have the desired effect.