Lavabo/ləˈveɪbəʊ/nounA ritual involving the washing of one's hands at a church's offertory before handling the Eucharist.The small towel used to dry the priest's hands following the ritual.A washbasin, particularly the one in a church used in the ritual.Synonyms: lavatory, washbasin🔗 Explore synonyms & relationships🌍 See word origin & history