Definition

• n. a group of people protesting outside a workplace
• n. a pointed post used as a fence
• n. a soldier or guard assigned to keep watch
• v. to stand outside a place to protest
• v. to guard or enclose it with posts

Example

Workers formed a picket line outside the factory this morning.

今天早上，工人们在工厂外组成了一条纠察线。