finger bowl

US /ˈfɪŋ.ɡɚ ˌboʊl/
UK /ˈfɪŋ.ɡɚ ˌboʊl/
"finger bowl" picture
1.

a small bowl of water, sometimes with a slice of lemon or flower petals, provided at the table for guests to rinse their fingertips during or after a meal

:
After the seafood course, the waiter brought out finger bowls for everyone.
She delicately dipped her fingertips into the finger bowl.