Green’s Dictionary of Slang

stake-out n.

also stake
[stake out v.]

1. (orig. US) the surveillance of a suspect by police or private investigator stationed in clandestine hiding places.

[US]Howsley Argot: Dict. of Und. Sl.
[US]H. McCoy Kiss Tomorrow Goodbye in Four Novels (1983) 135: Why do you think they let this guy breeze in and out of their stake-out and not pick him up?
[US]‘Ed McBain’ Killer’s Wedge (1981) 21: Brown’s on a plant [...] A plant. A stakeout, call it what you want to.
[US]M. Spillane Return of the Hood 23: Newbolder and Schmidt had been alternatively holding a steady stakeout on my apartment.
[UK]R.L. Pike Mute Witness (1997) 96: Mary Kelly’s there, across the street, on a stake.
[US]E. Bunker No Beast So Fierce 181: Stake outs for robbers are invariably announced by the flatulent roar of a shotgun rather than a demand to surrender.
[UK]M. Amis London Fields 112: The odd daughter too when he was on stake-outs for the local firm.
[US]C. Hiaasen Lucky You 106: He and JoLayne Lucks were parked under a streetlight on what she called the Big Stakeout.
[US]C.W. Ford Deuce’s Wild 114: Working late. Big case [...] Had to travel. On a stakeout.
[US]T. Robinson Hard Bounce [ebook] Our first stakeout. [...] For supplies, we brought six cans of metallic-tasting iced coffee, a carton of smokes, and three pounds of candy.
[US](con. 1962) J. Ellroy Enchanters 40: Ajax TV Repair. It’s a good ride for night stakeouts .

2. attrib. use of sense 1.

[US]J. Wambaugh Glitter Dome (1982) 67: Gibson Hand knew that the stakeout team outside must be moving in by now.

3. (US) one who conducts such a surveillance.

[US]C. Himes Big Gold Dream 82: If the police had a stake-out, he must be in another apartment.

4. (US Und.) the preparatory surveillance of the target of a robbery, e.g. a bank or diamond merchant.

[US]‘Red’ Rudensky Gonif 7: The three weeks of preparation, the intensive stake-out, the exacting detail with which we approached the mark.
[US]C. Keane Hunter 230: This was the worst part of the job—the stake-out. It was boring and time-consuming.