The Mahamrityunjaya Mantra is a prayer to Rudra-Shiva — the three-eyed one — to liberate us from death the way a ripe cucumber naturally falls free from its vine. Not a violent severing, but a natural, ripe release.
The image of the cucumber is beautiful and precise. A cucumber clings to its vine as long as it is unripe. When it is fully ripe — when the time is right — it falls free effortlessly. The prayer is: let my passing be like that. Let me fall free when I am ripe, not cling out of fear.
This mantra is recited for healing, for protection, for the dying, and for those in fear. It is also used in Rudra Abhisheka. Many people recite it 108 times on Mondays or during illness.