As a deity name
Name 839 of the Saraswati Sahasranāma — Skanda Purana, as taught by Lord Brahma / Sages
As a Hindi name
No reading on this path — this spelling has no entry in our Hindi sources, and no near neighbour is attested there either. We say so rather than invent one.
As a Sanskrit word
Meaning
addressed to Trātṛ (Indra), Sch.
Scripturally attestedWhy this matches what you typed
M1 · same meaning "trātre" is the locative of "trātra" — the same word in a different grammatical case.
M1 · same meaning "trātre" is the dative of "trātṛ" — the same word in a different grammatical case.
Related forms
Dictionary citations
trātra mfn. addressed to Trātṛ (Indra), ĀpŚr. iii, 15, 10, Sch.
trātra n. ‘defence’, indrasya N. of a Sāman, ĀrṣBr.
trātṛ m. a protector, defender, one who saves from (abl. or gen.), RV. (with deva applied to Bhaga or Savitṛ), VS.; AV.; TS. (Indra), MBh. &c.
trātṛ a. 1 A guardian, defender, protector. 2 Protecting, defending.
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