picket line noun
plural ∼ lines [count] : a line or group of people who are refusing to go to work until their employer agrees to certain demands
▪ She joined her coworkers on the picket line. ▪ The other employees refused to cross the picket line. [=to work while other workers were picketing]
▪ She joined her coworkers on the picket line. ▪ The other employees refused to cross the picket line. [=to work while other workers were picketing]
