Drainboard (noun)

A sloping surface around a kitchen sink for draining dishes and utensils.

Origin:

Early 19th century; drain + board.

Examples:

1. She placed the washed dishes on the drainboard to dry.
2. The drainboard was cluttered with pots, pans, and silverware.
3. He wiped the countertop and drainboard with a damp cloth.
4. She was careful not to let water run over the edge of the drainboard.
5. The drainboard was made of durable plastic and easy to clean.