As a deity name
Name 223 of the Lakshmi Sahasranāma — Skanda Purana / Sanat Kumara Samhita, as taught by Sages Sanatkumara and Devotees
As a Hindi name
रात्रि · noun · feminine
उतना समय जितने समय तक सूर्य का प्रकास न देश पड़े । संध्या से लेकर प्रातःकाल तक का समय । सूर्यास्त से सूर्योदय तक का समय । रात । निशा · हलदी · पुराणनुसार क्रौंच द्वीप की एक नदी का नाम — Śabdasāgara
रात्रि · rātri · s.f.
Night ( = rāt, q.v.) — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 579
रात्रि · feminine
night
a Hindi word; it is not Sanskrit
“Etymology tree Proto-Indo-European *h₁reh₁- Proto-Indo-European *-tḗr Proto-Indo-European *-is Proto-Indo-European *-h₂ Proto-Indo-European *-ih₂ Proto-Indo-European *-trih₂ Proto-Indo-European *h₁réh₁-trih₂ Proto-Indo-Iranian *HráHtriH Sanskrit रात्री॑ (rā́trī) Sanskrit रात्रि॑ …” — per Wiktionary’s etymology record
As a Sanskrit word
Meaning
iī or (older) rātrī (prob. ‘bestower’, fr. √ rā; or ‘season of rest’, fr. √ ram) night, the darkness or stillness of night (often personified), &c. &c. (˚trau or ˚tryām at n˚, by n…
Scripturally attested Verified derivationMultiple readings (5)Why this matches what you typed
The spelling you confirmed, रात्रि, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
rātri f(i or ī). or (older) rātrī (prob. ‘bestower’, fr. √ rā; or ‘season of rest’, fr. √ ram) night, the darkness or stillness of night (often personified), RV. &c. &c. (˚trau ind. or ˚tryām ind. at n˚, by n˚; rātrau śayanam, a festival on the 11th day of the first half of the month Āṣāḍha, regarded as the night of the gods, beginning with the summer solstice, when Viṣṇu reposes for four months on the serpent Śeṣa)
= ati-rātra, ŚBr.
= rātri-paryāya, ib.
= rātri-sāman, Lāṭy.
(only rātri) one of the 4 bodies of Brahmā, VP.
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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