lavabo

noun

1. 1

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

2. 2

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

3. 3

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

4. 4

   A trough used for washing at some medieval monasteries.

5. 5

   A lavatory: a room used for urination and defecation.