404

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404

1. A type of error message that one receives when the Internet address or site they're searching for cannot be found. I think this link is broken—it keeps giving me a 404 error.
2. By extension, a phrase used to indicate that one cannot answer a particular question. Sorry, 404—I have no idea.

four-oh-four

and 404
phr. the answer to your question is unknown; the location you seek is unknown. (From the internet message: Error - 404 that is received when the internet cannot find the address you are seeking.) Q: Where’s the kitchen? A: 404. You’ll have to find it yourself.

404

verb
References in periodicals archive ?
"Four Oh Four, radar contact, three one zero for forty-five.
Climbing through FL 240 on what I thought at the time was a 270 heading, I heard, "Aircraft Four Oh Four, Bear." It was our E-2C controller.
For the third time, I declared, "Chippy Four Oh Four is on an emergency divert for low fuel and will be proceeding west for Seeb International." The controllers finally capitulated and began giving us vectors.