How is “stake out” used?

In The Untouchables (1987), one line is: “- Where's Malone? - On the stake-out. He'll be here.”

Which movie is “stake out” from?

The clip at the top of this page is from The Untouchables (1987).

to watch a place secretly, especially for signs of illegal activity

Heard in 8 movies

Oxford100% of films
to watch a place secretly, especially for signs of illegal activity
- Where's Malone? - On the stake-out. He'll be here.

Definitions from the Oxford Advanced Learner's Dictionary, 9th edition

- Where's Malone? - On the stake-out. He'll be here.

Said in 8 films · #1