picketing
Webster's Dictionary (GCIDE)
1.To fortify with pointed stakes. [1913 Webster]
2.To inclose or fence with pickets or pales. [1913 Webster]
3.To tether to, or as to, a picket; as, to picket a horse. [1913 Webster]
4.To guard, as a camp or road, by an outlying picket. [1913 Webster]
5.To torture by compelling to stand with one foot on a pointed stake. [Obs.] [1913 Webster]