audio response unit
Americannoun
Computers.
-
a device that enables a computer to give a spoken response by generating sounds similar to human speech. ARU
-
a similar device that selects from a vocabulary of prerecorded words. ARU
Etymology
Origin of audio response unit
First recorded in 1955–60
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.