- Noun. (chemistry) Originally, the purifying of oils and other substances by emulsification with hot water; now more generally, a thorough cleansing of a precipitate or other non-dissolved substance. (defdate, from 15th c.) .
- Noun. The act of washing or cleansing the body, or some part of it, as a religious rite. (defdate, from 16th c.) .
- Noun. (context, Western) The rinsing of the priest's hand following the Communion with, depending on rite, water or a mix of it and wine, which may then be drunk by the priest. (defdate, from 17th c.) .
- Noun. (literary, or) Washing oneself; bathing, cleaning oneself up. (defdate, from 17th c.) .
- Noun. The water used in cleansing. (defdate, from 17th c.) .
- Noun. (context, Orthodox) The ritual consumption by the deacon or priest of leftover sacred wine of host after the Communion.