Ucchādana (nt.) [ut + sād, Caus. of sad, sīdati, cp. ussada] rubbing the limbs, anointing the body with perfumes shampooing D i.7, 76; at the latter passage in combn.anicc˚ -- dhamma, of the body, meaning "erosion, decay", and combd. with parimaddana abrasion (see about detail of meaning Dial. i.87); thus in same formula at M i. 500; S iv.83; J i.146 & passim; A i.62; ii.70 (+ nahāpana); iv.54, 386; It 111; Th 2, 89 (nahāpan˚); Miln 241 (˚parimaddana) 315 (+ nahāpana); DA i.88.

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

ucchādana- n. cleaning or rubbing the body with oil or perfumes R. 

Sanskrit-English Dictionary, by M. Monier William