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Related to squawk box: CNBC
An always-on multi-speaker telecommunication system in which speakers located in multiple locations allow the people there to communicate directly by simply pressing a button. The squawk boxes in the warehouse allows the foreman to issue instructions to everyone at the same time. We use squawk boxes in our brokerage firm to pass important information about upcoming stock trades on the fly.
n. a public-address system; a loudspeaker, especially if installed in a box or other housing. A raspy voice came over the squawk box announcing the arrival of what we had been waiting for.