to be on picket
81picket boat — a vessel used to patrol a harbor. [1865 70] * * * …
82picket fence — a fence consisting of pickets or pales nailed to horizontal stringers between upright posts. Also called paling, paling fence. [1790 1800, Amer.] * * * …
83picket line — a line of strikers or other demonstrators serving as pickets. [1855 60] * * * …
84picket fence — noun A simple fence made from wooden pickets, connected by horizontal bars …
85picket line — noun a) A line or rope held by one or many pickets, chiefly one used for tethering horses. b) A barrier or fortification formed by pickets; a stockade …
86picket line — people on strike, group of protesters …
87picket — n. [Written also Piquet.] 1. Stake. 2. Stake, pale. 3. (Mil.) Sentinel (on the outposts), guard, watchman, guardsman, sentry …
88picket fence — noun (C) AmE a fence made up of a line of strong pointed sticks fixed in the ground …
89picket — pick·et …
90picket fence — pick′et fence′ n. cvb bui a fence consisting of pickets nailed to horizontal stringers between upright posts • Etymology: 1790–1800, amer …