Meaning of pension sth off In English

• 0 to stop using something, usually a machine, because it is old and has been used too much:

  • After flying for 38 years, their Wessex helicopter is about to be pensioned off.

• 1 to stop using something either because it is too old or not practical:

  • Increasing demand for cleaner energies mean many old power stations are being pensioned off.