The Collaborative International Dictionary
Illutation
Illutation \Il`lu*ta"tion\, n. [Pref. il- in + L. lutum mud: cf. F. illutation.] The act or operation of smearing the body with mud, especially with the sediment from mineral springs; a mud bath.
Wiktionary
illutation
n. The act or operation of smearing the body with mud, especially with the sediment from mineral springs; a mud bath.