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la·va·bo | \ lə-ˈvä-(ˌ)bō 
\
\ plural lavabos
Definition of lavabo
1 often capitalized : a ceremony at Mass in which the celebrant washes his hands after offering the oblations and says Psalm 25:6–12 (Douay Version)
2a : a washbasin and a tank with a spigot that are fastened to a wall
b : this combination used as a planter
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Time Traveler for lavabo
The first known use of lavabo was circa 1858
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