As a Hindi name
पूर्णपात्र · noun · masculine
पूरा पात्र । भरा हुआ पात्र · पुत्रजन्मादि के उत्सव के समय पारितोषिक या इनाम के रूप में मिले हुए वस्त्र, अलंकार आदि · सुसंवाद लानेवालों को मिलनेवाला उपहार । अच्छी सूचना लाने पर मिलनेवाला पुरस्कार — Śabdasāgara
As a Sanskrit word
Meaning
a full vessel or cup, as much as will fill a vessel, a cupful (as a measure of capacity properly 256 handfuls of rice), (also ī, )
Verified derivationMultiple readings (2)Why this matches what you typed
The spelling you confirmed, पूर्णपात्र, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Gender counterpart
The kosha attests this stem in the feminine, the masculine, and the neuter — the same name serves without alteration.
Dictionary citations
pūrṇa—pātra mf(ī)n. a full vessel or cup, as much as will fill a vessel, a cupful (as a measure of capacity properly 256 handfuls of rice), ŚBr.; TBr.; GṛŚrS. (also ī f., ŚāṅkhGṛ.)
pūrṇa—pātra n. a vessel full of rice presented at a sacrifice to the superintending and officiating priests, W.
a v˚ filled with valuable things to be distributed as presents (esp. a present made to any one who brings good news), Mālatīm.; Kād.; Hcar.
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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