What is Lavabo?

Lavabo definition and meaning on Dictionary terms:
noun, plural laA.vaA.boes.
Ecclesiastical. the ritual washing of the celebrant’s hands after the offertory in the Mass, accompanied in the Roman rite by the recitation of Psalm 26:6a??12. the passage recited. the small towel or the basin used.

(in many medieval monasteries) a large stone basin equipped with a number of small orifices through which water flowed, used for the performance of ablutions.
a washbowl with a spigot-equipped water tank above, both mounted on a wall: now often used for decoration or as a planter.

RELATED WORDSlaundry, bath, soaking, bathing, ablution, maundy, lavage, lavation, fomentation