Main Entry: la·va·bo

Pronunciation: \lə-ˈvä-(ˌ)bō\

Function: noun

Inflected Form(s): plural la·va·bos

Etymology: Latin, I shall wash, from lavare

Date: circa 1858

1 often capitalized : a ceremony at Mass in which the celebrant washes his hands after offering the oblations and says Psalm 25:6–12 (DV)
2 a : a washbasin and a tank with a spigot that are fastened to a wall b : this combination used as a planter