As a deity name
Name 582 of the Lakshmi Sahasranāma — Skanda Purana / Sanat Kumara Samhita, as taught by Sages Sanatkumara and Devotees
Name 12 of the Saraswati Sahasranāma — Skanda Purana, as taught by Lord Brahma / Sages
As a Hindi name
Nearest attested word 'विश्वेश्वरी' does not appear as a word in our Hindi sources. The nearest word is विश्वेश्वर, meaning ईश्वर. — Śabdasāgara nearest word: विश्वेश्वर — a suggestion, not a meaning
As a Sanskrit word
Meaning
the mistress of the universe
Scripturally attested Verified derivationWhy this matches what you typed
The spelling you confirmed, विश्वेश्वरी, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
viśveśvarī f. the mistress of the universe, Cat.
a species of plant, VarBṛS.
N. of wk.
Caveats
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