kuṇapa : [m.] corpse; carcass; a loathsome thing.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Kuṇapa [der. fr. kuṇa? cp. Sk. kuṇapa] a corpse, carcase, Vin iii.68=M i.73=A iv.377 (ahi˚, kukkura˚, manussa˚ pūti˚); A iv.198 sq.; Sn 205; J i.61, 146; PvA 15. Kaṇṭhe āsatto kuṇapo a corpse hanging round one's neck M i.120; J i.5; also Vin iii.68≈. -- The abovementioned list of corpses (ahi˚, etc.) is amplified at Vism 343 as follows: hatthi˚, assa˚, go˚, mahiŋsa˚, manussa˚, ahi˚, kukkura˚. Cp. kaḷebara.
   -- gandha smell of a rotting corpse SnA 286; PvA 32.

Pali-English Dictionary, TW Rhys Davids, William Stede,