(Christianity) A ritual involving the washing of one's hands at a church's offertory before handling the Eucharist.

(Christianity) The small towel used to dry the priest's hands following the ritual.

A washbasin, particularly (Christianity) the one in a church used in the ritual.

(architecture) A trough used for washing at some medieval monasteries.

(humorous, euphemistic) A lavatory: a room used for urination and defecation.