1) A realised yogi's conscious departure from the physical body at death. 2) A celebration on the anniversary of a great being's departure from the physical body. 3) A shrine erected at the place where a yogi has taken mahasamadhi.

mahasamadhi: "great samadhi," conscious departure from the physical body at death; also called nirvana

Complete dissolution of the Self also known as Nirvana, and Mahaparinibbana in other spiritual traditions. The dropping of the physical body in full awareness.

Yogi's conscious leaving of the body at death and total merging with the Absolute.

The great samadhi is the process by which a yogi discards the physical body.

The departure of a Self-realized saint from his mortal coil.

Mahasamādhi (not to be mistaken with samadhi) - in Hinduism and similar philosophies the state of consciously leaving one's body. A illumed yogi who has attained the state of Nirbhikalpa samadhi, when his/her time to leave this earth comes, will consciously exit from the body. This is known as Mahasamadhi.