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.
ungulae
plural of ungula
• ungueal
Source: Wiktionary
Un"gu*la, n.; pl. Ungulæ. Etym: [L., a claw, hoof, from unguis a nail, claw, hoof.]
1. A hoof, claw, or talon.
2. (Geom.)
Definition: A section or part of a cylinder, cone, or other solid of revolution, cut off by a plane oblique to the base; -- so called from its resemblance to the hoof of a horse.
3. (Bot.)
Definition: Same as Unguis, 3. Spherical ungula (Geom.), a part of a sphere bounded by two planes intersecting in a diameter and by a line of the surface of the sphere.
Source: Webster’s Unabridged Dictionary 1913 Edition
7 May 2025
(noun) a person who is employed to deliver messages or documents; “he sent a runner over with the contract”
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.