7. (verb)picket serve as pickets or post pickets "picket a business to protest the layoffs"
8. (verb)picket fasten with a picket "picket the goat"
Definitions of 'picket'
Webster 1913 Dictionary
1. (noun)picket a stake sharpened or pointed, especially one used in fortification and encampments, to markbounds and angles; or one used for tethering horses
2. (noun)picket a pointed pale, used in marking fences
4. (noun)picket by extension, men appointed by a trades union, or other labor organization, to intercept outsiders, and prevent them from working for employers with whom the organization is at variance
5. (noun)picket a military punishment, formerly resorted to, in which the offender was forced to stand with one foot on a pointed stake