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.
headrace
(noun) a waterway that feeds water to a mill or water wheel or turbine
Source: WordNet® 3.1
headrace (plural headraces)
The part of a millrace that brings water to the millwheel.
A time trial in the sport of rowing.
• areached
Source: Wiktionary
Head"race`, n.
Definition: See Race, a water course.
Source: Webster’s Unabridged Dictionary 1913 Edition
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.