If an electronic measuring device gives you a readout, it displays information about the level of something such as a speed, height, or sound. The system provides a digital readout of the vehicle's speed
[ 'rEd ] (verb.) before 12th century. Middle English reden to advise, interpret, read, from Old English r[AE]dan; akin to Old High German rAtan to advise, Sanskrit rAdhnoti he achieves, prepares.