stakeout; surveillance; lookout
Police or investigative term for watching a location covertly; also used more generally for keeping watch. Often appears with する as a suru-verb.
The police are continuing a stakeout in front of the suspect's house.
The reporter did an all-night stakeout to get the scoop.
Rare, specialized use in printing or design for assembling layout elements by pasting. The cross-reference to 貼り込み suggests this is more commonly written with 貼.
See also: 貼り込み (はりこみ)
In old editing work, they used glue for paste-up of the page layout.
Standard spelling, especially for surveillance and stakeout senses.
Variant spelling without okurigana り; less common but seen in some contexts.
Compound of 張る (to stretch, to be on the lookout) + 込み (nominalized form of 込む, to put in). The stakeout sense comes from the idea of 'stretching' one's attention over an area.