As a deity name
Name 171 of the Lakshmi Sahasranāma — Skanda Purana / Sanat Kumara Samhita, as taught by Sages Sanatkumara and Devotees
As a Hindi name
Nearest attested word 'वैश्वदेवी' does not appear as a word in our Hindi sources. The nearest word is वैश्वदेव, meaning वह होम या यज्ञ आदि जो विश्वदेव के उद्देश्य से किया जाय । इसमें केवल पके हुए अन्न से विश्व- देव के उद्देश्य से आहुति दी जाती है और ब्राह्माणों को भोजन कराने को आवश्यकता नहीं होती है. — Śabdasāgara nearest word: वैश्वदेव — a suggestion, not a meaning
As a Sanskrit word
Meaning
the 8th day of the 2nd half of the month Māgha
Scripturally attested Verified derivationMultiple readings (2)Why this matches what you typed
M1 · same meaning "vaiśvadevī" is the feminine form of "vaiśvadeva" — the same word with the feminine ending, recorded by the dictionary's own gender marker on that entry.
Dictionary citations
vaiśvadevī (ī), f. N. of partic. sacrificial bricks, TS.; ŚBr.
the 8th day of the 2nd half of the month Māgha, Col.
a kind of metre, Śrutab.
vaiśvadeva mf(ī)n. (fr. viśva-deva) relating or sacred to all the gods or to the Viśve Devāḥ, VS. &c. &c.
vaiśvadeva m. a partic. Graha or Soma-vessel, VS.; ŚBr.
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