Question

what do you mean by picket

Answer 1

Picketing is a form of protest in which people (called picketers) congregate outside a place of work or location where an event is taking place. Often, this is done in an attempt to dissuade others from going in ("crossing the picket line"), but it can also be done to draw public attention to a cause.

Answer 2

Answer:

Picket - A form of demonstration or protest by which people block the entrance to a shop, factory or office.