Definitions
1.nounA stake driven into the ground."a picket fence"
2.nounA type of punishment by which an offender had to rest his or her entire body weight on the top of a small stake.
3.nounA tool in mountaineering that is driven into the snow and used as an anchor or to arrest falls.
4.nounOne of the soldiers or troops placed on a line forward of a position to warn against an enemy advance; or any unit (for example, an aircraft or ship) performing a similar function.
5.noun(sometimes figurative) A sentry.
6.nounA protester positioned outside an office, workplace etc. during a strike (usually in plural); also the protest itself."Pickets normally endeavor to be non-violent."
7.nounThe card game piquet.
8.verbTo protest, organized by a labour union, typically in front of the location of employment.
9.verbTo enclose or fortify with pickets or pointed stakes.
10.verbTo tether to, or as if to, a picket."to picket a horse"
11.verbTo guard, as a camp or road, by an outlying picket.
12.verbTo torture by forcing to stand with one foot on a pointed stake.