serial port

British  

noun

1. computing (on a computer) a socket that can be used for connecting devices that send data one bit at a time; often used for connecting the mouse or a modem

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Example Sentences

It has an LCD for displaying a face, and you can augment it with your own electronics and sensors — there’s a mount on the back, and the bot has USB and serial ports.

From The Verge

If you have two PCs with serial ports and a null modem cable, you could also transfer the files using the free File Maven software instead of LapLink.

From The Guardian

You probably remember serial ports as the ancient nine-pin plug you once used to hook up your mouse or joystick to your computer in the pre-USB dark ages.

From Forbes

A hardware voice synthesizer sits in another black box on the back of the chair and receives commands from the computer via a USB-based serial port.

From Scientific American

"Cycle the machine again, that serial port's still hung." :cycle crunch: /n./

From Project Gutenberg