One who goes trick-or-treating on Halloween, usually a child dressed in a costume.(noun)
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Use "trick-or-treater" in a sentence
"When a trick-or-treater showed up with a paper bag over his head and a cigarette hanging out of the mouth hole, you gave him candy and went on with your life."
"The fee also made the bank the butt of jokes, with Jay Leno of NBC's "Tonight Show" likening Bank of America on Monday to a greedy trick-or-treater."
"Along with first mother-in-law Marian Robinson, they stood on the North Portico and gave each trick-or-treater a box of M&Ms, a butter cookie made by White House pastry chef Bill Yosses and ... a serving of dried fruit."