dial
verb
1.
noun
2.
the control on a radio or television set that is used for tuning
Origin
The original meaning was 'sundial' and/or 'clock dial'; from Middle English diall, from Middle French dyal, from Latin diālis (“daily, concerning the day”), because of its use in telling the time of day, from Latin diēs (“day”). Compare Spanish dial and día (“day”).
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.