n.
1.a person employed to watch for something to happen
2.a detachment of troops guarding an army from surprise attack
3.a protester posted by a labor organization outside a place of work
4.a vehicle performing sentinel duty
5.a wooden strip forming part of a fence picket v.
1.serve as pickets or post pickets
2.fasten with a picket
Idiom of the Day
past (someone or something's) prime
to be beyond the most useful or productive period of someone or something
The young skater is past her prime as a figure skater.