A person who greets people on their arrival.(noun)
One who weeps or mourns.(noun)
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Use "greeter" in a sentence
"(And hey, granolaheads, don't forget to flash a smile on the way out of the store at the "greeter" who can't afford to see a doctor.)"
"You know that, I know that, and if he does what conservatives want and can even find a minimum-wage "greeter" job with no insurance anyway all he would be doing is displacing someone with fewer skills who will have an even harder time finding a job."
"As a "greeter," the cheerful Betty Dukes is one of the first employees customers usually see as they walk through the front doors of the Wal-Mart store here."