As a deity name
Name 37 of the Ganesha Sahasranāma — Ganesha Purana (Upasana Khanda), as taught by Sage Vyasa / Lord Ganesha
As a Hindi name
महागणपति · noun · masculine
शिव के एक अनुचर का नाम · गणपति । गणेश — Śabdasāgara
As a Sanskrit word
Meaning
‘gr˚ leader of (Śiva's) hosts’, N. of Gaṇeśa or a form of G˚
Scripturally attested Verified derivationMultiple readings (3)Why this matches what you typed
The spelling you confirmed, महागणपति, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
mahā—gaṇa—pati m. ‘gr˚ leader of (Śiva's) hosts’, N. of Gaṇeśa or a form of G˚, Yājñ.; Hariv. (RTL. 217)
Alternative readings
More than one analysis survives full verification. That ambiguity is real, so we show every reading rather than pick one silently.
Caveats
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