parallel port

noun

computing (on a computer) a socket that can be used for connecting devices that send and receive data at more than one bit at a time; often used for connecting printers

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012