line printer

WordReference Random House Unabridged Dictionary of American English © 2025

line′ print′er, [Computers.]

1. Computing a printer that produces an entire line of output at a time.

• 1950–55

Collins Concise English Dictionary © HarperCollins Publishers::

line printer noun

1. an electromechanical device that prints a line of characters at a time rather than a character at a time, at speeds from about 200 to 3000 lines per minute: used in printing and in computer systems