There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
tuner, piano tuner
(noun) someone who tunes pianos
Source: WordNet® 3.1
tuner (plural tuners)
A person who tunes a piano or organ.
A device, electronic or mechanical, that helps a person tune a musical instrument by showing the deviation of the played pitch from the desired pitch.
On a musical instrument, a peg or mechanical device that changes the tension, and hence pitch, of a string.
The component of an audio system that receives radio broadcasts.
(archaic) One who sings or makes music.
tuner (plural tuners)
(entertainment industry) A musical.
• Runet, Runte
Source: Wiktionary
Tun"er, n.
Definition: One who tunes; especially, one whose occupation is to tune musical instruments.
Source: Webster’s Unabridged Dictionary 1913 Edition
2 April 2025
(adjective) secret or hidden; not openly practiced or engaged in or shown or avowed; “covert actions by the CIA”; “covert funding for the rebels”
There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.