As a deity name
Name 823 of the Lakshmi Sahasranāma — Skanda Purana / Sanat Kumara Samhita, as taught by Sages Sanatkumara and Devotees
Name 675 of the Vishnu Sahasranāma — Mahabharata (Anushasana Parva), as taught by Bhishma to Yudhishthira on his deathbed
As a Hindi name
महाक्रतु · noun · masculine
महान् यज्ञ । बहुत बड़ा यज्ञ । जैसे, राजसुय, अश्वमेध आदि — Śabdasāgara
As a Sanskrit word
Meaning
a great sacrifice, (cf. -yajña).
Scripturally attested Verified derivationMultiple readings (4)Why this matches what you typed
The spelling you confirmed, महाक्रतु, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
mahā—kratu m. a great sacrifice, MBh.; R.; Ragh. (cf. -yajña).
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