picket n: a person posted by a labor organization at a place of employment affected by a labor dispute
: a person posted for a demonstration or protest
vt : to post pickets in front of
: walk or stand in front of as a picket [their tactics have included ing clinics "L. H. Tribe"]
: to demonstrate by use of pickets [a currently certified union may for recognition]
: to serve as a picket see also informational picketing , organizational picketing , secondary picketing compare strike NOTE: While the right to peacefully picket for a lawful purpose is protected by the First Amendment to the U.S. Constitution, case law has recognized some limitations and the Labor Management Relations Act has placed some restrictions on organizational and secondary picketing.
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.