- picket [pik′it]n.[Fr piquet < piquer, to pierce < pic,PIKE2]1. a stake or slat, usually pointed, used as an upright in a fence, a hitching post for animals, a marker, etc.2. a group of soldiers or a single soldier stationed, usually at an outpost, to guard a body of troops from surprise attack3. a ship or airplane that patrols a defense perimeter4. a person, as a member of a labor union on strike, stationed outside a factory, store, or public building, often carrying a sign, to demonstrate opposition to certain views or practices, keep strikebreakers from entering, or dissuade people from buyingvt.1. to enclose, shut in, or protect with a picket fence or palisade2. to hitch (an animal) to a picket3.a) to post as a military picketb) to guard (a body of troops) with a picket4. to place pickets, or serve as a picket, at (a factory, etc.)vi.to serve as a PICKET (sense 4)picketern.
English World dictionary. V. Neufeldt. 2014.