WARCHALKING


Meaning of WARCHALKING in English

/ ˈwɔːtʃɔːkɪŋ; NAmE ˈwɔːr-/ noun

[ U ] ( informal ) the action of drawing a symbol on the wall of a building to show that you can get a free Internet connection near that place

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WORD ORIGIN

early 21st cent.: from the use of chalk marks by tramps to indicate which homes were friendly and which to avoid.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.