As a Hindi name
Nearest attested word 'रोचनिका' does not appear as a word in our Hindi sources. The nearest word is रोचन, meaning (f. -ā), & s.m. Enlightening, illuminating, irradiating. — Platts (1884), digital edition courtesy DSAL, University of Chicago nearest word: रोचन — a suggestion, not a meaning
As a Sanskrit word
Meaning
A plant, commonly Śuṇḍārocanī. E. kan added to rocanī the same.
Verified derivationWhy this matches what you typed
The spelling you confirmed, रोचनिका, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
rocanikā f. N. of various plants, L.
= vaṃśa-rocanā, bamboo manna or Tabāṣir, L.
rocanikā f. (-kā) A plant, commonly Śuṇḍārocanī. E. kan added to rocanī the same.
Caveats
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