As a deity name
Name 84 of the Durga Sahasranāma — Kula Arnava Tantra / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
Name 790 of the Lakshmi Sahasranāma — Skanda Purana / Sanat Kumara Samhita, as taught by Sages Sanatkumara and Devotees
As a Hindi name
महानिद्रा · noun · masculine
मृत्यु । मरण । मौत — Śabdasāgara
As a Sanskrit word
Meaning
‘the gr˚ sleep’, death
Scripturally attested Verified derivationMultiple readings (4)Why this matches what you typed
M1 · same meaning "mahānidrā" is the feminine form of "mahānidra" — the same word with the feminine ending (nominative).
Dictionary citations
mahā—nidrā f. ‘the gr˚ sleep’, death, L.
mahānidrā f. (-drā) Death, dying. E. mahā great, nidrā sleep.
mahā—nidra mfn. sleeping soundly, sl˚ long, R.
Alternative readings
More than one analysis survives full verification. That ambiguity is real, so we show every reading rather than pick one silently.
Caveats
Sources contain errors and engines have limits; every claim above carries its citation so you can verify it. This is guidance about names and their sources — not religious or astrological consultation. How we work · Our sources