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.
oboe, hautboy, hautbois
(noun) a slender double-reed instrument; a woodwind with a conical bore and a double-reed mouthpiece
Source: WordNet® 3.1
hautbois (plural hautbois)
Any of a family of organ stops that contain reeds.
Synonym: oboe
Any of the (now obsolete) predecessors of the oboe or cor anglais.
Source: Wiktionary
27 June 2025
(adjective) having four equal sides and four right angles or forming a right angle; “a square peg in a round hole”; “a square corner”
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.