Dictionary Definition :
Definition[1]
:
dun : (m.) sanibandha-iṇasodhaka. (adj.) kāḷapiṅgala. (v.t.) iṇamocanāya āyācati.
Source
:
A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]