As a deity name
Name 341 of the Hanuman Sahasranāma — Rasvin Samhita / Brahmanda Purana, as taught by Lord Ram / 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
any one who conveys or is borne along (applied to a charioteer or rider, or to various gods, esp. to Agni, Indra, Savitṛ, the Maruts &c.)
Scripturally attestedWhy this matches what you typed
M1 · same meaning "vahnaye" is the dative of "vahni" — the same word in a different grammatical case.
Dictionary citations
vahni m. any animal that draws or bears along, a draught animal, horse, team, RV.; AV.; VS.; TBr.
any one who conveys or is borne along (applied to a charioteer or rider, or to various gods, esp. to Agni, Indra, Savitṛ, the Maruts &c.), RV.; AV.
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