definition of
[picket]

[1] #1 picket n. [lookout, lookout man, sentinel, sentry, watch, spotter, scout] a person employed to keep watch for some anticipated event. wn

[2] #2 picket n. a detachment of troops guarding an army from surprise attack. wn

[3] #3 picket v. serve as pickets or post pickets; "picket a business to protest the layoffs". wn

[4] #4 picket v. fasten with a picket; "picket the goat". wn

[5] #5 picket n. a protester posted by a labor organization outside a place of work. wn