1. the practice of dressing up in costume and going from house to house, especially on Halloween, to ask for treats or money
Usage: chiefly Scottish and Northern English; similar to trick-or-treating in American English

1. to dress up in costume and go from house to house asking for treats or money, typically on Halloween
Usage: chiefly Scottish and Northern English; present participle of 'guise'

Examples

• The children went guising on Halloween night, dressed as witches and superheroes.
• In Scotland, guising is a popular tradition where kids collect sweets from their neighbors.
• We're guising this year instead of staying home to hand out candy.
• The local community organized a guising event for all the children in the neighborhood.
• She dressed up as a ghost for guising and collected a bag full of treats.
• Guising has been a Halloween tradition in Scotland for generations.