'Superannuation' definitions:

Definition of 'superannuation'

(from WordNet)
noun
A monthly payment made to someone who is retired from work [syn: old-age pension, retirement pension, retirement check, retirement benefit, retirement fund, superannuation]
noun
The property of being out of date and not current [syn: obsoleteness, superannuation]
noun
The act of discharging someone because of age (especially to cause someone to retire from service on a pension)

Definition of 'Superannuation'

From: GCIDE
  • Superannuation \Su`per*an`nu*a"tion\, n. The state of being superannuated, or too old for office or business; the state of being disqualified by old age; decrepitude. [1913 Webster]
  • The world itself is in a state of superannuation. --Cowper. [1913 Webster]
  • Slyness blinking through the watery eye of superannuation. --Coleridge. [1913 Webster]