What is the meaning of Demise?

The conveyance or transfer of an estate, either in fee for life or for years, most commonly the latter.

Transmission by formal act or conveyance to an heir or successor; transference; especially, the transfer or transmission of the crown or royal authority to a successor.

Death.

The end of something, in a negative sense; downfall.

To give.

To convey, as by will or lease.

To transmit by inheritance.

To pass by inheritance.

To die.

resignation, abdication

Source: wiktionary.org