"picketing." YourDictionary, n.d. Web. 19 September 2018. <http://www.yourdictionary.com/picketing>.
picketing. (n.d.). Retrieved September 19th, 2018, from http://www.yourdictionary.com/picketing
picketing - Legal Definition
A common practice in labor
disputes, in which employees patrol with signs on their fronts and backs
(sandwich signs) or on wooden stakes held over their shoulders. Peaceful
picketing is protected as free expression, except where considered a threat to
public safety or when spreading false propaganda.