As a Hindi name
Nearest attested word 'कुञ्जिका' does not appear as a word in our Hindi sources. The nearest word is कुञ्ज, meaning An arbour, a bower. — Platts (1884), digital edition courtesy DSAL, University of Chicago nearest word: कुञ्ज — a suggestion, not a meaning
As a Sanskrit word
Meaning
fennel-flower seed (= kuñcikā, Nigella indica)
Verified derivationWhy this matches what you typed
The spelling you confirmed, कुञ्जिका, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
kuñjikā f. = kuñja-vallarī, L.
fennel-flower seed (= kuñcikā, Nigella indica), Car.
a kind of drum, L.
kuñjikā See kuñja.
kuñjikā f. (-kā) Kalonji, (Nigella Indica): see kuñcikā.
Caveats
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