{n.} The custom of going from house to house on Halloween asking for small gifts and playing tricks on people who refuse to give. * /When Mrs. Jones answered the doorbell, the children yelled "Trick or treat." Mrs. Jones gave them all some candy./ * /On Halloween Bill and Tom went out playing trick or treat./
TRICK OR TREAT
Meaning of TRICK OR TREAT in English
Dictionary of English idioms . Словарь английских идиом. 2012