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Meaning of trick or treat

trick' or treat'

Pronunciation: [key]
  1. a children's Halloween custom, in which they call on neighbors, using this phrase, and threaten to play a trick if a treat is not given.

trick-or-treat

Pronunciation: (trik'ur-trēt'), [key]
— v.i.
  1. to become involved or take part in trick or treat.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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