superannuation Meaning, Definition & Usage

  1. noun a monthly payment made to someone who is retired from work
    retirement fund; old-age pension; retirement benefit; retirement check; retirement pension.
  2. noun the property of being out of date and not current
    obsoleteness.
  3. noun the act of discharging someone because of age (especially to cause someone to retire from service on a pension)

WordNet

Su`per*an`nu*a"tion noun
Definitions
  1. The state of being superannuated, or too old for office or business; the state of being disqualified by old age; decrepitude.
    The world itself is in a state of superannuation. Cowper.
    Slyness blinking through the watery eye of superannuation. Coleridge.

Webster 1913