Pronunciation: (pik'it),[key] —n. 1. a post, stake, pale, or peg that is used in a fence or barrier, to fasten down a tent, etc.
2. a person stationed by a union or the like outside a factory, store, mine, etc., in order to dissuade or prevent workers or customers from entering it during a strike.
3. a person engaged in any similar demonstration, as against a government's policies or actions, before an embassy, office building, construction project, etc.
4. Mil.a soldier or detachment of soldiers placed on a line forward of a position to warn against an enemy advance.
5. Navy,Air Force.an aircraft or ship performing similar sentinel duty.
—v.t. 1. to enclose within a picket fence or stockade, as for protection, imprisonment, etc.: to picket a lawn; to picket captives. 2. to fasten or tether to a picket.
3. to place pickets in front of or around (a factory, store, mine, embassy, etc.), as during a strike or demonstration.
4. Mil. a. to guard, as with pickets.
b. to post as a picket.