A slightly elevated and inclined surface, designed so that wet objects can be placed on that surface, and water on those objects can drip or drain away.(noun)
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Use "drainboard" in a sentence
"Scrambled eggs and God bless the chives got its own portable radio mounted drainboard flush with an oldies station."
"There is nothing worse than one cup in the drainboard."
"I got up from the table and set my plate on the drainboard, half of my food uneaten."