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.
groove, vallecula
(noun) (anatomy) any furrow or channel on a bodily structure or part
Source: WordNet® 3.1
valleculae
plural of vallecula
Source: Wiktionary
Val*lec"u*la, n.; pl. Valleculæ. Etym: [NL., dim. fr. L. vallis, valles, a valley.]
1. (Anat.)
Definition: A groove; a fossa; as, the vallecula, or fossa, which separates the hemispheres of the cerebellum.
2. (Bot.)
Definition: One of the grooves, or hollows, between the ribs of the fruit of umbelliferous plants.
Source: Webster’s Unabridged Dictionary 1913 Edition
22 June 2025
(noun) an elongated leather strip (or a strip of similar material) for binding things together or holding something in position
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.