A lavatory: a room used for urination and defecation.
A trough used for washing at some medieval monasteries.
The small towel used to dry the priest's hands following the ritual.
A ritual involving the washing of one's hands at a church's offertory before handling the Eucharist.
A washbasin, particularly (Christianity) the one in a church used in the ritual.
A lavatory: a room intended for urination and defecation.
Used other than figuratively or idiomatically: see small, room.