韱 is essentially obsolete. It does not appear in modern Mandarin outside of paleography and dictionary entries on rare characters. Two senses survive in classical sources: a kind of wild leek or mountain onion, and an extended adjectival use meaning 'slender, fine, minute' (often paired in the compound
韱察 'examining minute details'). The modern character for 'slender / fine' is
纤 (traditional
纖), which derives historically from
韱 plus a silk radical.
