lavabo

noun pl. lavaboes

R.C.Ch.
1. a short ritual, after the Offertory of Mass, in which the celebrant washes his fingers
2. the basin used
  in full lavabo dish (or basin or bowl)
1. a basin and a tank for water above it, hung on a wall
2. a wall planter resembling this

See lavabo in American Heritage Dictionary 4

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